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Sbc header flanges

sbc header flanges 99 shipping. ; 3/8 in. We also offer short tube headers that come complete with catalytic converter. Patriot Exhaust H7895 Part Number: 737-H7895. 12: header flanges sbc 1 7/8 2 Welcome to PRO-FABrication. Cast Header Flanges Small Block Chevy Flange & Collector Kit Do you have a need for a custom design header? Do you require a high strength, lightweight header flange? Do you want a singular, unique design - on that sets the headers apart from all others? The distinctive Ultimate Headers cast Stainless Steel flanges are available separately to Trick Flow® header flanges will allow you to custom build your own set of headers to match your vehicle. 52 Tall 2/Set PN 3081 -- Ford - V8, Small Block Windsor 289/302/351 Fits: Doug Thorley Headers®, 2" Bolt Hole Spacing, 1-5/16" x 1-5/8" Rectangular Port 2/Set Patriot Exhaust Header Flange Kit Chevy 265-400 Brodix. Gratis, OH 45330. 479-474-7529 FAX 479-474-2249 Part Number Size Flange Port Material Description Retail FL-SBC150R 1 1/2 Round 3/8" Mild Steel Small Block Chevy (265-400) $ 42. Header Flanges (V8 FLANGES SOLD AS PAIRS) Mike's Fab Shop Header Flanges are second to none! We carry a huge range for just about any application. Quantity: RMRE manufactures several header flanges for both small block and big block Chevrolet cylinder heads. They are Front Facing with 2. thanks. Flange and collector may be trimmed for further weight reduction. Hedman Hedders & Trans-Dapt Performance Products are two of the hot rod industries original manufacturers, dating way back to 1954. All stainless steel flanges are 3/8" thick. Part # 67650. (6) Muscle Head Stg I - III Header Flanges, Etc. Dynatech® 796-00013 SBC 23 Degree Header Flange, 1. Mailing Address PO Box 75 Gratis, OH 45330. 250 Thick 796-00022. Header Flange, Chev Rd Port SBC Brodix Exhaust Manifold Spacers - 1/2" Small Block Chevy, Billet Aluminum. We make headers specifically for you and your engine. 3L With Angle Plug Heads With 168 Tooth Flywheel With Powermaster Mini Starter without Kickout Style Oil Pan 1964, Super Competition™ Long Tube Exhaust Headers by Hooker®. Most off the shelf headers are made with ¼” or 5/16” thick flanges which lead to warping and header flange sealing issues. These flanges allow for you to build a custom turbo setup for virtually any engine when combined with our header flanges and mandrel bends. 313 Thick 796-00535. $139. We carry over 250 different header flange designs, so if you don't see the flange your looking for, talk with one of our tech reps about custom header flange Header Flange Plates, Small Block Chevy Brodix Spread Port, 1-3/4 Inch $54. Chevy Small Block V8, Oval Port Port Style, Steel. Review this product *** Some orders may require up to a 6 week lead The Hi-temp gasket has excellent heat-conduction characteristics that prevent localized hot spots (like around the center exhaust ports on a small-block) that can warp header flanges and create leaks. Ford Small Block (221-302) Ford 351W; Ford Flathead V8; Ford Y-Block (239-312) Small Block Chevy (265-400) 1955-59 Ford-Mercury Cars. carslut · perfection in plasma. Product Upgrades: Stainless Steel version [add $100. 0 out of 5 stars 2 ratings. Stainless Steel Header Flanges Our American made stainless header flanges are precision laser cut from . 0L; LS3 6. 7018 0. These flanges have a hole big enough to give a few thousandths clearance when using 2. 840" bore spacing. By buying from large companies (actually manufacturers) we were able to obtain header parts at fairly reasonable prices due Trick Flow Specialties TFS-51700801 - Trick Flow® Header Flanges. They are designed to fit the Trick Flow® high-port and R-series cylinder heads for small block Ford engines. Ports are designed around the low valve-lift characteristics generally found in these type of engines. Universal SBC header flange. Choose an option 2. 75" primary while allowing for bolt clearance. Part No: 191. Percy's 67089 Flange Exhaust Header Gasket. 3/8" Thick Mild Steel. In most cases the ports and bolt pattern are shifted higher together. SBC Header Flanges. Fuchia colored part numbers are stainless steel. Thick, 1. Material: 304 Stainless . Damper 0 /11 Head Hunters 0 /3 Header Collectors 0 /1 Header Flanges 0 /2 Headers 3 /4 Hex 0 /2 Hex Dzus 0 /2 High Port 0 /1 GPHeaders’ Stainless Steel Turbo Headers are available for most popular applications such as Big and Small Block Chevys, Big and Small Block Fords and LS engines. Thickness: 3/8" Tube size: 1. Product Description 23°, 15°/18° & Splayed (Canted Valve) SBC Small block Chevrolet 23°, 15°/18° & Splayed Valve cylinder heads suffer from short exhaust ports. 0" bore spacing stainless header flange $ 59. 84. Port for 1-5/8" Primaries. These flanges come as a pair and are designed for 2-1/2" or 2-3/8" primaries on only raised port heads, laser-cut from heavy-duty 3/8" thick 304 stainless steel for superior resistance to warping from high heat, and comes with a limited lifetime warranty. 100 in. Precision laser cut from 3/8" thick 304SS, our header flanges are manufactured in the U. 5 Header Exhaust Collectors Flange Reducers Sbc 350 454 2-12 To 2 Gasket 27. im putting headers on a chevy 350. Buick Nailhead 364-425 Exhaust Flange $ 45. Part Number: STW-HFSBCSQ1875. 4 watchers. Many of the popular models come in optional primary tube port sizes. 5/8 in. Built one at a time, Sanderson Header quality is unsurpassed and every one of our headers are Made in the USA! The Best Fit Available! Most other header plates and extractor flanges offered for sale on the internet are only 8mm or thinner. 00] While most header flanges are made from 1/4" or 5/16" material, our are precision CNC laser cut header flanges are cut from from 3/8” material. Right click on large photo to save. 150" deep to support the tube and allow the tube to be welded to the inside of the flange. 41. 00. 2L LT1 V8 Small Block Header Flange Exhaust Adapters and Header Flanges. 99 Header Set 604 Crate Chevy 1. 00 Inch Collector 304 Stainless Steel 711-45810 header flange for a Brodix 18 degree small block chevy cylinder head. Note: this port design may not seal completely over your exhaust port boss. or Best Offer +C $37. 750" Specify tube diameter when ordering. WE REQUIRE THE VEHICLE & ENGINE AT OUR SHOP IN KNOXVILLE, TENNESSEE. Thicker flanges are available for heavy duty and race applications. We do not make headers that go under the vehicle, Manderal bent pipes, or stainless steel pipes. Part Number: SUM-670200-SS Header Flanges, 304 Stainless Steel, 3/8 in. These header flanges are specifically made for the SBC Stahl Pattern 2" Round Port head. So, these plates were engineered at 7 degrees. . Y-Block 239-312 Engines; 265-400 Small Block Chevy Engines; 1958-64 Chevy Full Size. 313 HEDMAN HEDDERS - Header Flange Kit - SBC 1-7/8IN SPREAD-P Header Flange - Hustler Race - 3/8 In Thick - 1-7/8 In Round Port - Steel - Spread Port - Small Block Chevy - Pair More Details Part #HED-10075 Admittedly, this cast-iron exhaust header is an improvement over the old classic ram's-horn manifolds of the classic SBC. Header Adapter Plates are available for some special applications. Thick, Ford, Small Block Windsor, with High Port® Heads, Pair. 83. 00: $139. BF Series/9. Thunderbird. Headers are aftermarket tubular exhaust manifolds that help to increase power in street or race vehicles by decreasing back pressure from the exhaust and increasing volumetric efficiency. You are correct about your situation with a door car chassis. Can be supplied with square holes to match stock ports or round holes up to 1. 90. Starting At $59. 2. prod. 25" primaries. (3) $24. Made from an American made 304 stainless and purge tig welded, these flanges with stubs, will get your header project off to a great start. 95. Header Flange Spread Port Mild Steel 1. Header Bolts. Joined Jan 4, 2004 · 4,036 Posts . The Ford side is 2. Like someone mentioned, it's hard to get a tube much larger than 1 3/4" between the bolts on a SBC. Oval Port, Chevy, Small Block, Pair. Big Block Chevy Modular Flange/Elbow System Stock Ports. '57 Chevy #157. or Best Offer. Starting at: $125. SBC header flange file? Jump to Latest Follow 1 - 11 of 11 Posts. 2L; LS4 5. Please select an option. 88" Flanges are sold individually - not as a set. REMFLEX gaskets are good to 3000 degrees. (5) SBC 12 - 18 - 21* Header Flanges, Etc. 75”, 1. Light weight & sturdy 18 gauge tubing 5/16” machined flanges for a perfect seal. 99. 99: c-8120: header adapter sbc hooker (inner flange) pr: $160. The port size, shape, and location is also important. Build your custom headers now. Flange Style. Choose an option One Piece Individual Flanges. Header Flange Plates, Small Block Fits Chevy Brodix Spread Port, 2 Inch Visit the Speedway Motors Store. We offer our flanges in 304 stainless steel or 1018 cold rolled steel. Quantity. x 1. 5" Vband Provision, Can be Easily Used with Single or Twin Turbo Setup. I can't get a good photo of the exact amount of port-to-flange mismatch because the motor is in the frame for the fenderwell header build, but these pix show the adjustment that was done. Add to cart. 875 Port . 6-71 supercharger the blower shop sbc small block chevy new ,600 Chevy 350 and turbo 350 transmission Hooker truck Headers sbc 1967-72 4x4 pick up 0 Jan 26, 2014 · May God's grace bless you in the Lord Jesus Christ. 6-71 supercharger the blower shop sbc small block chevy new ,600 Chevy 350 and turbo 350 transmission Hooker truck Headers sbc 1967-72 4x4 pick up 0 Jan 26, 2014 · May God's grace bless you in the Lord Jesus Christ. Add to Cart. Free FAST Shipping, 60 Day Returns, Expert Tech Support. unless the item was packaged by the manufacturer in non-retail packaging, Parts & Accessories Small Block Chevy SBC Header Flanges w/stubs 1/2 Thick 1 5/8 Port 350 383, Find many great new & used options and get the best deals for Small Block Chevy SBC Header Flanges w/stubs 1/2" Thick 1 5/8" Port 350 383 at the best online prices at, See the seller's listing for full details, such as an unprinted box or plastic bag, Brand: : B & H Custom Designs, unopened, Condition:: New: A brand-new SBC header flange 1. SAP C815357 2. Patent US D700,554 S) The header flanges I have for the Olds motor need to be port matched to the exhaust ports, as these ports were raised about 3/16" during the porting process. Thick, 1. These flanges are CNC machined from 5/16″ thick mild steel to provide a proper fit. Part Headers and Exhaust Manifolds / FIND YOUR PARTS YEAR 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964 The tubes on short tube headers generally fit more easily in the engine compartment and some are designed to connect to the existing exhaust pipe flanges, so no cutting or welding is necessary. The ports have been oval shaped to accomodate a 1. However, there's no substitute for tubular PerTronix brand exhaust headers The flanges are machined . S. By the way, with the other brand header adaptors this point would be moot because of the way that the other QP1000 Cast Series Small Block Chevy Header Set Ask a question (39) The QP1000 is a cast iron performance header set for small block Chevrolet engines that are installed in a variety of classic and street rod applications. 090 small port diameter : GA-HG273: TTi Header Gaskets, 1/16" $ 25 set FLG-273: TTi Header Flanges, 3/8" $ 27. 00. This keeps our header flange cost to under half of the cost of having a CNC machined flange done. Brodix spread port SBC header flange fits all dual bolt pattern Brodix SBC heads. They come pre-surfaced and ready for your header building project. $1,500: Small Block Header. #923-303 2-3/8″ Header Flange for Standard BBC. The turbo flange is a key component to help you in adding more horsepower. Watch; S p o n s o r e d. 22C-045-011187-SCE: While most header flanges are made from 1/4" or 5/16" material, our header flanges are precision CNC laser cut from 3/8" material. 84" Port Height Port Style: Oval Header gaskets are used between the INNER header flanges and the cylinder head and between the OUTER header flanges and the INNER header flanges. LSX Header Flange - 3/8" Thick Stainless. 313 Thick 796-00534. offers the finest in CNC laser cut header flanges. 40th Van Buren, AR. Our Price: $ 36. Small Block Ford Yates header flange. 00 for 5/16" or $24. They are designed to fit the Trick Flow® high-port and R-series cylinder heads for small block Ford engines. Header Kit Drag Race Strut Front SBC Stahl 1. (6) Top Fuel Stage I - V Header Flanges, Etc. SBC 1483 FP Exhaust Gaskets, fits GM 18* with Stahl adapter plates, also AJ 12-18-21 with slight trimming. Hedder Flanges WITHOUT Stubs; CHEVY 265-400; 1-3/4 in. 2016-21 Camaro 6. Many aftermarket heads are advertised as Raised Exhaust Ports. Port opening: 1. Exhaust/Header Flanges. We then apply a multi-layer, inside and out, thermal ceramic coating and polish the finish to a high luster. Hedman Hedders & Trans-Dapt Performance Products are two of the hot rod industries original manufacturers, dating way back to 1954. 00] Part No: 156. sbc header gaskets Actually the headers are made for the SBC, but it's a racing type header and they use the adapter flange so it's easier to get the header bolts on and off. P&O material is hot rolled steel that has been dipped in acid to remove the mill scale and then lightly coated with oil. Condition is Brand New. $130. These flanges are cut with a CNC HD (High Definition) Plasma cutter out of 3/8” Pickled and Oiled (P&O) steel. 00: $135. from United States. 5. Header Flange Kit, Small Block Chevy. Scott’s Hotrods ‘n Customs builds custom Stainless Steel Headers and Exhaust systems specifically for Scott’s Chassis and project vehicles in our shop. or Best Offer +$3. At Pro-Fab we specialize in custom racing headers, mandrel bends, oval bends, reducers, transitions, V-Band, SS Bolts, and more. Rat rod, street rod, race, drag, exhaust. (2) Top Fuel Stage VII Small Block Chev Header Flanges . 265 We made outer flanges for 1 7/8" up to 2 1/4" primaries. AU $138. 99 Patriot Exhaust H7894 Rectangle port Header Flange, SBC 265-400 $57. Our flanges are CNC laser cut from 3/8” and ½” thick material. Buy CFE SBX-Turbo Small Block Chevy. 75″ is very tight on the bolt holes). Customs services and international tracking provided. +C $36. Headers Flanges are machined from quality steel that won't warp easily like other brands. Please check if your bolt holes are in line (IL) with the ports or offset (OS) before ordering. Starting at: $ 125. Includes one pair of exhaust flanges for the Small Block Mopar with W-2 Heads hot rod motor (see motor applications below). Primary Tubing Diameter: 1. We offer our flanges in 304 stainless steel or 1018 cold rolled steel. SBC 265 283 302 305 307 327 350 400 etc. HEDMAN replacement hedder flange gaskets for #69530 and 69536 HEDMAN replacement hedder flange gaskets for #69530 and 69536 Header flange for a stock configuration small block chevy cylinder head. June 29th, 2012. While the first set of HEADERS BY "ED" was built in 1962 using header parts obtained elsewhere, from then until about 1970 we used (and sold) header flanges made by other companies. 6L / 5. We are capable of mandrel-bent tubing services, welding, forming, notching, burning custom flanges, producing specialty collectors and even have our own line of racing mufflers and tips. Ford Adapter Plate - 2" Inline/2-3/4" Diagonal. 1 5/8” primary size. . A flat header surface will not warp like "o" ring ports do. Port, Each. 99 Speedway Motors U bend pipes 1 3/4 in. Stainless Works HFSBCSQ1875 - Stainless Works Header Flanges. At Pro-Fab we specialize in custom racing headers, mandrel bends, oval bends, reducers, transitions, V-Band, SS Bolts, and more. Round Port for 1-7/8" Primaries. Thick- 1 Pr. Flanges for Dodge, Durango, Dakota, Charger, Chrysler, Plymouth. 99 Physical Address 203 E South St. " 11/16 Gaskets Exhaust Split Flange Adapter on Amazon - https://amzn. Made in the USA. and are machine surfaced. to/2PBNqIEIn this video, I repair a leaky header pipe that was due to the header flange and doughnut (d At Pro-Fab we specialize in custom racing headers, mandrel bends, oval bends, reducers, transitions, V-Band, SS Bolts, and more. 250" tubing. 90° V6 Series On e of the more frequent complaints about headers is the leakage that can occur between the header flange and the cylinder head. SBC Billet Header Flanges, for 2. GM Pickup #172Y. Precision laser cut form 1/2" thick 304 Stainless Steel, our turbo header flanges are manufactured in the U. They are designed to fit the Trick Flow® high-port and R-series cylinder heads for small block Ford engines. 3/8" Thick Mild Steel. In most cases the ports and bolt pattern are shifted higher together. 750 in. Header Flange Standard SBC Chevy Mild Steel 1. 30 each Small Block 318, 340, 360 Header Gaskets & Flanges SPD offers a complete line of exhaust components for Exhaust Fabricators ranging from Mandrel Bent Tubing, Mandrel Bends, CNC Header Flanges, Merge Collectors, Collector Flanges, Stainless Bellows, V-Band Clamps and Sealing Flanges, and Formed Collectors & Accessories. Stainless and carbon steel flanges for Chrysler products. one has underhead length 1 inch and the other is . 875 Inch 3. The flanges are machined . Guide the header, flange first, into the engine compartment. Our Turbo Headers are constructed from an American made 304 Stainless Steel and are fully purge TIG welded with 3/8” thick header flanges on our off the shelf headers. STAINLESS LAKE STYLE MANIFOLD HEADER+MEGAPHONE PLATE+EXHAUST FLANGE FOR SBC RODS (Fits: Chevrolet) 4-1 2PC Design, Most Top End Power at High Engine Speed. 99. $210. Qty. 375 Thick Item #: 796-00622 Stainless costs about twice as much. Round Port for 2" Primaries. 84 in. Not in Stock. Single Wall Zoomie weld-up Header Kits are available with 2. #SBR-127: SB Race header for Smith Race Craft front clip: #SBR-128: SB Race header for TCI front clip Kooks is your one-stop for every header or exhaust component need. 5. Chevy bolt pattern heads, and the new style TFS A-460 heads, can use a one piece Chevy header gasket & flange because they have both the bolt pattern and the port exits on Chevies 4. Full Details…. Trick Flow® header flanges will allow you to custom build your own set of headers to match your vehicle. $34. Starting at: $125. The 25335 Adapter Flange allows the use of headers built with a flange that has the STAHL seven bolt pattern on a Small Block Chev head with the standard Small Block Chevy Spread-Port Stahl Pattern 1/2" Thick Stainless Turbo Header Flange. We use 3/8” thick header and collector flanges, 18 gauge tubing and 16 gauge collectors. W8 W9 P7 P8 - Mopar - Flanges - Products JavaScript seems to be disabled in your browser. Once these 1/2″ thick aluminum adapter plates are bolted in place you can port them to match you exhaust ports thereby increasing their length and improving performance. They are designed to fit the Trick Flow® high-port and R-series cylinder heads for small block Ford engines. Schoenfeld Headers 605 S. Gaskets are NOT included with these flanges. Many times, those pipes were larger, much larger, than the openings on the exhaust manifolds. if anyone has put headers on a chevy let me know what size you used. Camero #175Y. Header Flange Standard SBC Chevy Mild Steel 1. 875 Port . pr $24. 375 stainless to our exacting specifications. 75 inch might be to short. 7L; LS2 6. Thick, 1. S. 09 Trick Flow® header flanges will allow you to custom build your own set of headers to match your vehicle. A. Header Flanges, 304 Stainless Steel, 3/8 in. Part# 10050. $95: EGT fittings 1/8” npt with plugs- 8 installed. Small Block Chevy Header Flanges. Steel core fiber w/ teflon coating. 3. 3 V8 and V6 Finished Header Flanges and Header Flanges w/Starter Tubes are shipped with a complete set of header bolts. as pictured. 00. im thinking . JEGS Header Flange for Small Block Chevy [Oval Port] $30. LSX Header Flange - 3/8" Thick Stainless. Genuine Hedman Hedders Replacement Header Gaskets. Mandrel Bends: We supply (12) 180 degree J bends. Unleash the performance in your LS motor today with some l… 304 Stainless Header Flanges:Small Block Chevy Spread Port Stahl Pattern- 2". Then, Stahl SBC Header flanges NEW for sale in MILAN, IL, Price: $50 RACINGJUNK GIVEAWAY - Check Out All of our Giveaways Here! - enter now COVID-19 Update: News and Resources for the Race and Performance Industry Headers started out as just open tubing welded to flat steel flanges that mimicked the bolt pat- tern of the exhaust manifold. All CNC Header Flanges are machined on our Mazak CNC VTC200-50 and are manufactured from 3/8” thick 1018 cold roll steel. 13” C85657 2. $173. $15. 00 including shipping - usa These are cast iron Fenton Headers being reproduced under license from Fenton for all 1937-62 216ci, 235ci and 261ci engines. Cast Header Flanges Big Block Chevy Modular Flange/Elbow Stock Ports Do you have a need for a custom design header? Do you require a high strength, lightweight header flange? Do you want a singular, unique design – on that sets the headers apart from all others? The distinctive Ultimate Headers cast Stainless Steel flanges are available separately to Chevy Corvette 1988, Graph-Flex Header Flange Gaskets by Percy's High Performance®. They are available for several different SBC heads and various primary tube sizes for use with and without adapter plates. Proudly Made. While most header flanges are made from 1/4" or 5/16" material, our flanges are precision CNC laser cut header flanges are cut from from 3/8" material. Make sure before you have them made. 75 Port. Designed for Funny cars and Door Slammers. We offer our flanges in 304 stainless steel or 1018 cold rolled steel. 875 in. Sold in pairs. They are Front Facing with 2. Part No: 180. 875-2. Tapped for 3/8 in. Showing 1–12 of 41 results Buick Nailhead (Baby) 264-322 Exhaust Flange $ 45. 44 Wide x 1. Estimated Ship Date: 4/2/2021 (if ordered today) Add To Cart. 95 Summit Racing VHT Flame Proof Paint (2 cans) $19. 00" tubes, heavy-duty . No retorquing required with REMFLEX GASKETS. 54 in. 25” C815358 2. Patriot Exhaust H7895 2016-21 Chevy Camaro SS Long Tube Header Kit. 3 out of 5 stars 7. Splayed Valve SBX SBC / Symmetrical Port Brodix header flanges. 479-474-7529 FAX 479-474-2249 Small Block Chevy Header Flanges. Brand New. 4. Part Number: SCH-0148. $1,500: Header Add-On Options : Evacuation tubes installed. com FREE DELIVERY possible on eligible purchases This precision laser cut SBC Stahl Pattern 2" Round Port header flange is cut from 3/8" thick 304 stainless, our header flanges are manufactured in the U. 33 wide. 67. Fits Many Older GM Vehicles, Camaros, Impalas, El Caminos, Chevelles, Novas, Mailibus, Pontiacs etc. 250 Thick 796-00013. SBC Headers for your Chevy Powered Mustang! These SBC Mustang headers were designed and developed by G-Force Performance to accommodate the popular SBC into 84-04 Mustang swap. 00 Checkers Auto Small Block Ford Stainless Headers. 875 in. Share your knowledge of this product with other customers 23 Degree Small Block Chevrolet Header Flange. Small Block Chevy Up and Forward Turbo Header Stainless Steel $ 1,150. List price: Previous Price. 40th Van Buren, AR. 00" primary tube. Joe Wiles. We use a standard exhaust shop bender and can compensate for the offset of the heads upon request. Prices are for a pair of flanges on all V8 and V6 applications. $1,500: LS Header. Pur Mopar 1 3/4 headers $40 Swap meet. Big Block Chevy Header Flanges Steel. 2L Long Tube Header kit. 375" 2. , Inc. 00 Checkers Auto. Both types are TIG welded. 50 Inch Collector Mild Steel 711-15410 $299. LS1 5. These flanges will last on most street vehicles. 11. 1 tall by 2. Known primarily for exhaust headers, engine mounts, carburetor spacers and adapters, and chrome and aluminum customizing accessories, these two pioneering companies have 1000's of components to help your GM, Ford or MOPAR car or truck run stronger and look cooler. Headers and kits to install them are often added to race cars. These turbo header flanges are specifically made for spread port small block heads. 00 for 3/8". Flanges sold separately. C $175. Go topside, install the front and rear bolts, and hang the gasket between the header and the head using the notches in the gasket. pr. 68. 99. Chevy LS7 Header Flange, 1-7/8" Ports, 3/8", 304 Stainless . All thicker header flanges are made to order and delay header parts shipments about 3-5 days. These headers are all Mandrel bent out of 1¾” 16 gauge tubing, heli-arc welded 3/8″ thick laser cut flanges, with 3″ collectors. 1⅞” LS Long Tube Headers + $ 837. Small Block Ford Header Flanges. 99. 75 Inch 3. Many aftermarket heads are advertised as Raised Exhaust Ports. 065 wall thickness steel and include SBC flanges & support straps. Precision machined flanges 5/16" thick Supplied with our premium head gaskets A wide variety of tube diameters and port shapes are available Made in the USA Stainless Works products are made proudly in Cleveland, Ohio The holes for the primary tubes on our BBC header flanges are machined on a biased angle so the tubes are angled upward. Sold individually. 00. We are able to do private label work for your exhaust or tube bending needs as well. (3) Schoenfeld Headers 605 S. which is better. From United States. Laser cut flanges await our skilled craftsman who hand assemble each of our products. $155: Oxygen bung with plug installed. Port Size: 1. 3/8 thick. 72956 PH. Session Border Controller. Our J bends come with a 6” & a 12” leg. 2 factory head along with the following manufacturer’s models: MBE’s SB2. Chevy Small Block V8, Rectangular Port Port Style. 7018 0. 84 in. Thick- 1 Pr. Brand New. Price: $64. Thick, 1. 624/. We also machine CNC Header Flanges for imports such as BMW, Ferrari, Honda, Toyota, Mitubishi, Porsche, and VW. These are designed and machined in house so we can control the quality from the time the material is hand picked until it touches your hands. 625", 1. 72956 PH. •Headers: List of stock headers •Header Gaskets: List of header & collector gaskets •Diesel Exhaust: High performance heavy •Tri-y Headers: Description of design: Header Parts: Flanges, tubing, bends •Prices: Current prices for all. Process: Water Jet Cut for NO Heat Distortion & High Precision. Header Flanges NO Stubs; CHEVY 265-400; 1-3/4 in. They fit the Chevy SB2. Stock Small Block - 1-1/2" to 2-1/4" tubes (1-7/8" and larger require subflange 2809) Stock Big Block - 1-3/4" to 2-1/2" tubes; Brodix Small Block - 1-7/8" to 2-1/4" tubes; LT-1/LT-4 -1-3/4" tubes; Fast Burn - 1-3/4" tubes; D-port - 1-3/4" tubes Stainless Header Mfg. These spacers are the answer to those times when you just need a little more clearance for tall valve covers or to get those tips to line up correctly. 75 inch. Made to order Header Flanges are NOT returnable. 2” Big Block Headers + $ 818. 00. S. 99 $9. 99 Patriot Exhaust H7861 Header Flange Kit, SBC 265-400, Stainless Steel Custom Header Build Kits; Custom Turbo Headers; Custom Header Components; Under Car Exhaust; Oval Exhaust; Forced Induction; Custom Airboat Headers; SHM Gear and Supplies; Custom Marine Headers; Aluminum Intake & Exhaust Description: Header Flange Adapter, 5/8 in Thick, 1-1/8 in Square Port, Hardware Included, Aluminum, Small Block Chevy to Stahl Pattern, Kit Item #: DTH796-00100 Condition: New These flanges have a round 1 7/8" port dimension. REMFLEX gaskets fill voids on warped header flanges and exhaust manifolds. 32. Session Border Controller. S. We also make models for Hooker and Stahl Pattern 23° SBC Heads, Early Model Hemi with stock type exhaust port or round port, DRCE style engines, and 2. Fits SBC heads. $39. Come visit us, 25 miles South of Seattle, and have your new headers installed. The Ford head is 5 degrees. The ports have been oval shaped to accomodate a 1. Each flange has 2 chevy bowtie cut into them, a perfect compliment to any chevy enthusiasts engine compartment. 3/8" thick 304 Stainless Steel. Stahl Pattern SBC Up and Forward Turbo Header Stainless Steel. Chevrolet Header Flanges. and are machine surfaced. 0 Series/20° Track 1 Ford Compatible Series/20° Mopar Compatible Heads. 75″ Diameter (Although 1. 625 - 1. SBC Flanges 1 3/4 in. Header flange for a gen IV big block chevy with 2. Header Parts. 09 FL-SBC150R-I 1 1/2 Round 3/8" Mild Steel Flange set (3 pcs/hd, 2-single port and 1-double port) 42. Holes up to 2 1/8” available. 625 Port . and are machine surfaced. im looking at a locking header bolt kit. The heavier materials we use to fabricate our flanges greatly reduce the warping problems seen in other lighter flanges. Discussion Starter • #1 • 304 Stainless Header Flanges- Small Block Chevy Gen II LT1 D-Port . C $43. Add to Cart. Available with either a 1/4" or 5/16" flange thickness, these are the perfect start for your one off application! Header Flange - 5/16 in Thick - 1-5/8 in Round Port - Bolts / Gaskets - Steel - Small Block Chevy - Kit. 25” C85258 2. This is a pair of header flanges only, no bolts and no gaskets included, Flange is 3/8" thick. 99 (3) 289, 302, 351W, Oval Port Port Style, 1. Brodix spread port SBC header flange Small Block Chevy Header Flanges. Brand New. 77 shipping estimate. At Pro-Fab we specialize in custom racing headers, mandrel bends, oval bends, reducers, transitions, V-Band, SS Bolts, and more. 95. Also included is a brand new set of gaskets. Header Flange Spread Port Mild Steel 2. Our Turbo Headers are constructed from an American made 304 Stainless Steel and are fully purge TIG welded with 3/8” thick header flanges on our off the shelf headers. Oval Port, Chevy, Small Block, Pair. Estimated Ship Date: 6/3/2021 Home Components Header Flange Gm 23 Degree Sbc Stahl Header Flange 38 Thick Mild Steel For 2 Primaries 23 Degree SBC Stahl Header Flange - 3/8" Thick Mild Steel - for 2" Primaries Header Flange Standard SBC Chevy Mild Steel 1. Wow! Comes with header flange and gaskets. 355 small block M21 4spd 4:88 12 bolt spool Just thought they would make a good way to get and impression of the port & header flange for diagnostic purposes. Last one. $125: EGT fittings Race Pack style- 8 installed. We carry over 250 different header flanges designs. '65-72 Chevy #166. Buick Schoenfeld Header Gaskets and Flanges are standard and specialty header flanges designed to be the foundation for custom-built headers. 00in pr: $150. After they are laser cut, they are trued up in-house. 40th Van Buren, AR. Small Block Ford Compatible Heads. Originally designed by Neil & Parks for the 14° Pro Action Small Block Chevy Head, these 6061 Aluminum Exhaust Adapters will also fit 15° and 18° SBC Heads. 3L 20 - FINISHED Header Flanges 22 - Header Flange Kits 25 - PLAIN Header Flanges 35 - FORMED Collectors with flange welded on 45 - Collector Cones with flange welded on 50 - Similar Tube Custom Collectors - 2, 3, or 4 tube - Weld-on Style 52 - Similar Tube Custom Collectors - 3 or 4 tube - Slip-on Style 55 - Dissimilar Tube Custom Pair of Header Flanges for the small block Chevy V8 in 8mm Mild (MS) or Stainless (SS) (Grade 304) Steel. Clear. SBC Hooker header flanges. As you can see in the picture on the left, the exhaust flange has been cut at an angle. Lowest Price Guarantee. In stock. 99 $14. 25” Brodix BB-2 Xtra Square C85656 2. 99. Header Flanges. (set) Inquire about Spread Port Brodix style Header Adapter Flanges for 12 - 18 - 21* Cyl Hds. The early idea was to just get the exhaust gases out of the engine as quick as possible. View More. Header Flanges. C $68. If you would like thicker header flanges, add $16. Chevy S-10 #110. 72956 PH. Add to PartsList. (8) mounting bolts are New light weight header (20 ga. Note: this port design may not seal completely over your exhaust port boss. 5°/11° LH Series Cylinder Heads/17° Head Hunter™ F Series/15° ST 5. 50” Dart 320-360 / Olds 14 deg. Free shipping TTi Header Flanges, 3/8" $ 27. tubing) with light laser cut flanges (weigh under 1 lb. 928-9001-06. Port size is 1-1/2" x 1-1/2". C $73. Our patented flange design eliminates this problem, as long as the owner maintains the proper torque on the header bolts. The header flange should not restrict the flow of exhaust in any way. Pipes are extra long and must be trimmed to fit. 38” NEW! 11 & 14 degree Big Chief Large Profile Flange Round C85626 2. These flange stubs are formed to the exact flange shape and come in 1 5/8" or 1 3/4" primary tube sizes. 310 Thick 796-01514. 050 wide. 75" primary while allowing for bolt clearance. Top Rated Seller. 99. $45: Slip on reducers with tabs installed LS1 Chevy Header Flange Plates, Round Port, 1-3/4 Inch. Big Block Chevy BBC 304 SS Header Flanges 2 1/4" Primary 3/8" Thickness (Pair) Big Block Chevy 3/8" thick 304 SS flange, these are thick and sturdy enough to resist warping and provide a quality flange for your build. C $158. While most header flanges are made from 1/4" or 5/16" material, our are precision CNC laser cut header flanges are cut from from 3/8" material. These are cast iron Fenton Headers being reproduced under license from Fenton for all 1937-62 216ci, 235ci and 261ci engines. and are machine surfaced. Stock 351 C 4V flanges. The header flange is then ground FLAT to remove any weld beads protruding above the gasket surface plus the ports are internally deburred to remove any weld beads CXRacing Stainless Steel Performance Headers For Chevrolet Small-Block Engine Fits Many Applications. CXRacing Turbo Header + Turbo Elbow For Chevrolet Small-Block Engine, Fits Many Applications. Manufactured from 5/16" thick material. Round Port for 1-3/4" Primaries. Port Size: 2. Click on image to view large photo in a new window. 19 shipping. ) Weight Example: 1 7/8" Diameter header weighs approx. Header flange for a stock configuration small block chevy cylinder head. 875" and 2” Flange Thickness: 3/8” Thick Material: Choose Choose Options Chevy 6. 30 each Small Block 273, 318 Header Gaskets & Flanges Fits Cylinder Heads with 1. 00 Call to order. Product Upgrades: Stainless Steel version [add $100. With big tube headers and the stock bolt location, you can't get the bolts on! so they figured out how to make life easy by making the big bolt pattern flange. # sbc_conversion. 5" Center to Center Small Block Fords. This matches the exit angle of the exhaust ports to improve exhaust flow. 79. Chevy Chevelle Base 4. Schoenfeld Headers is the world’s largest manufacturer of circle-track headers, but we specialize in a variety of high-quality exhaust parts, including turn-downs, extensions, tubing bends and elbows, race mufflers, insert mufflers, mandrel bends. Quick view. The advantage to them (and going to the BBC header) is not only the availability of the BBC headers but also because the BBC header's primary tube is not pinched at the header flange like the BBF header flange pinches its primary tube. ASCS / SUPR Series Cylinder Heads To Fit Chevy – Ford – Mopar; V6 Chevrolet Compatible Heads. Small Profile Flange Stock Cast Iron Heads Call for World Products Merlin Canted Square C85257 2. Thick. 20” & 5. 84” Bore Space - Big Block Chevy - GM - Flanges - Products JavaScript seems to be disabled in your browser. Percy's 67089 Flange Exhaust Header Gasket Proform Round Port For Ford Small Block Header Gasket $ 26. Small Block Race headers are available in tube sizes up to 2 1/4" #SBR-125: SB Race header for stock chassis (fenderwell) #SBR-126: SB Race header for Chris Alston’s Chassisworks front clip Also for Heidts, Martz & Checkered Racing front clips. 0" bore spacing stainless header flange $ 59. 00 Our Turbo Headers are constructed from an American made 304 Stainless Steel and are fully purge TIG welded with 3/8” thick header flanges on our off the shelf headers. Exhaust wraps help to retain heat in your exhaust system, which increases Horsepower while reducing radiant heat damage, especially to spark plug Advance Adapter. Summit Racing SUM-670206-SS - Summit Racing® Header Flanges. We offer our flanges in 304 stainless steel or 1018 cold rolled steel. Small Block Mopar W-9 Stainless Header Flange. Stock Bolt Pattern. pr $24. These headers are clearanced for the header bolts and box end wrenches. Collectors 3 in. The Chevy port is 2. Header : Header Cost in Mild Steel : Big Block Header. View More. Not Yet Reviewed. 38” C85259 2. It’s a stronger material and won’t rust, but it discolors and weighs more. (Sold in Pairs) SPECIAL NOTES: Flanges are CNC machined (milled) from a single peace of billet Stainless steel bar stock. REMFLEX EXHAUST GASKETS are extra thick and compressable. Header flanges are rarely the same size as the tube diameter, and often not a direct match in dimension to the exhaust port itself unless it is a race-only application that the user/builder modified---or again, someone looking to spend the time and expense to find every last available 1/4-horsepower. 75 primary. Set of SBC small block Chevy header flanges with stub pipes. Part No Buy Small Block Fits Chevy Header Flange Plate - 1 3/4 Inch: Flanges - Amazon. 00. Skip to the end of the images gallery. 30” Bore Space - Big Block Chevy - GM - Flanges - Products Some of the assortment of parts used in this header build - 304 stainless U-bends, Burns merge collectors and six-inch mufflers, and stainless flanges designed specifically for the cylinder heads on this vehicle. 50". 265-400 Small Block Engines; 396-454, 502 Big Block Engines; GM LS Engines. The problem is with these thinner versions is they are prone to warp and that leads to trouble with fitting and un wanted extra noise. #923-302 2-1/4″ Header Flange for Standard BBC. 250 in. 00. •Order: How to order headers. 00" Header Collector Flange Ring 3 Bolt 3/16" 304 Stainless Steel WHF300SS Wesdon Flange. Tubes; 3/8 in. Header Circle Track Dirt Late Model Standard Chevy 1. Chevy CK Pickup 1987, Graph-Flex Header Flange Gaskets by Percy's High Performance®. Small Block Chevy to Stahl Header Adapters. Part Number: SUM-670200-SS Stainless Header Mfg. 0 tall by 1. x 1. Header Flange GM 18 Degree Mild Steel 1. 0L, Pair. See details - PATRIOT EXHAUST Header Flange Kit - SBC 5/16 Thick P/N - H7864 See all 19 brand new listings FINISHED Header Flanges (part numbers start with 20) are Plain Header Flanges that have 2" long tubes custom formed into the ports in the header flange and then TIG (not MIG) welded. Part Number: SUM-670206-SS. The Chevy head is 12 degrees. Brand New. C $40. Email Address Precision laser cut from 3/8" thick 304 stainless, our header flanges are manufactured in the U. small block chevy turbo setup "single turbo conversion upgrade" fits all sb chevy 283-305-325-350-400 engines features: t3/t4 turbo flange 8mm wastegate flange 321 stainless steel. Price: $125. Header Flanges. 150" deep to support the tube and allow the tube to be welded to the inside of the flange. 875 Port . Header Flange Plate Chart Application These header flanges are specifically made for Reher-Morrison or Dart 15 degree SBC heads. These exhaust manifold flanges have oval ports. Thick, Chevy Small Block, Fits 1. Schoenfeld Headers 605 S. T. HEADER FLANGE KIT, SBC. Mirror Polished Flange/ Mirror Polished Finish on Tubing Satin Flange/ Satin Finish on Tubing As Cast Flange/ Mill Finish on Tubing Mirror Polished Flange/ Silver Ceramic Finish on Tubing Finishes Swap Headers GM LS Engines, Version II 1st Gen Camaro with Factory Sub-Frame ever have & Steering Box • Patented design (U. Chevy LS LS1, LS2, LS3, LS6 Header Flange Header Bolt Pattern: Stock Port: Circle Pot Sizes: Choose from 1. Header flange kits include gaskets and header bolts in most applications. 62. Wow! Comes with header flange and gaskets. Business Phone 937-634-5009. 75 - 1. (We carry almost 250 flange patterns that we configure as a set with stubs) Depending Header Flanges, 304 Stainless Steel, 3/8 in. These header flanges are specifically made for the Spread Port Stahl Pattern SBC Flanges with 2 1/8" round ports. header flanges sbc 1 7/8 2. (sold in pairs) Add to PartsList. x 1. I believe Mickey Thompson originated the basic idea while trying to get decent headers (zoomies) on his Pontiacs around 1959 but Stahl was surely one of the early users too. 95 Summit Racing VHT Flame Proof Paint (2 cans) $19. The flange is then surfaced for a superior gasket seal. 09$ FL-SBC163R 1 5/8 Round 3/8" Mild Steel Small Block Chevy (LT1) (265-400) $ 42. (3) SBC Billet Header Flanges, Etc. Port Size: 1 3/4", 1 7/8", or 2". 479-474-7529 FAX 479-474-2249 Patriot Exhaust's machined header flange kits are available for many popular engine families. 21 lbs. These flanges are cut out of high strength 3/8" A572 material rather than cheap A36 mild steel. Our headers utilize the entire machined surface of the head for a gasket surface (not an "o" ring gasket area like other headers). Size. Big block Chevy Headers on a Big Block Ford. Y-Block 239-312 Engines; 265-400 Small Block Chevy Engines; 1958-64 Chevy Full Size. Mild steel headers that are well coated inside and out make a lot of sense. •Codes: Special features, specs •Header FAQs: Frequent questions Collector Reducers & Flanges Collectors Header Flanges, Chevy Header Flanges, Ford Header Flange, Mopar J-Bends Unwelded Header Kits Frame Clips, Front (Bolt-On) Frame Clips, Front (Weld-In) Frame Clips, Rear Frames, Complete (Weld-In, Custom) Rear End Housings Roll Bars, Roll Cages Steering Stainless Works Round Big Block Chevy Raised Port header exhaust flanges. 08 304 Stainless Header Flanges:Small Block Chevy Spread Port Stahl Pattern- 2 1/8" Brand New. Known primarily for exhaust headers, engine mounts, carburetor spacers and adapters, and chrome and aluminum customizing accessories, these two pioneering companies have 1000's of components to help your GM, Ford or MOPAR car or truck run stronger and look cooler. Small Block Chevy Oval Port Header Flanges, 3/8 Inch Thick. 99 Add to Cart Buy Moroso 67650 at JEGS: Moroso Header Flange Kit, Small Block Chevy. DEC Headers offers high quality craftsmanship, very reasonable prices, and superb customer support. $138. Anyway, we do use V-band flanges on some of our exhausts, when the customer is looking for ease of removal/adjustment, a high level of sealing, and/or a unique appearance. These header flanges Small Block Ford 289-351W Header Flange - 1-3/4 Inch $39. Header Flange - LS Header Gaskets - Big Block Header Gaskets - Small Block O2 Sensor Plug Small Block - Flowtech Small Block - Stainless Works At Pro-Fab we specialize in custom racing headers, mandrel bends, oval bends, reducers, transitions, V-Band, SS Bolts, and more. The header flange will have a specific bolt pattern. (6) BBC Billet Header Flanges, Etc. . $50 isn't a bad price for high-quality ones (machined flanges tend to seal better than the less-expensive stamped ones) but the price does add up quickly. (4) Header Studs, Nuts, Etc. Ford Small Block (221-302) Ford 351W; Ford Flathead V8; Ford Y-Block (239-312) Small Block Chevy (265-400) 1955-59 Ford-Mercury Cars. 100 in. GM LS Engines Small Block Chevy Flange & Collector Kit Admin 2019-08-19T21:18:31+00:00. $ 1,150. 00. Diameter Round Port, Ford, Coyote, 5. Mobile Phone 513-267-1615. We incorporate Double Slip Merge collectors on higher HP & extreme abuse applications to help reduce thermal stress which causes header failure. 75" . S p o n s o r PN 3084 -- FORD Small Block V8 REMFLEX® AFR® Gasket # 6916 2" & 3" Bolt Spacing Port Dim: 1. SPD offers CNC Header Flanges for many types of heads including most General Motors, Ford, Mopar. Doug's Headers #D356 coated: SBC: $600-$635: 1 5/8" Primaries, 2 1/2" collector: Yes it fits: See frame notes: Earle Williams Coated: SBC: 569-839: Full length 1 3/4 x 30 3 collector: Grind Box: head to header flange is superior extra cost was saved in other areas: Flowtech Afterburners BIG491001 ceramic coated/ BIG49100 non coated version: SBC: Non coated 150/ Coated 239 SBC Header Flange For Chevy Small-Block 262 283 305 327 350. Both the B. Small Block Chevy Header Flanges with heavy duty 16 gauge stub welded to them. 99. S. 4. Revolutionary Patented Flanges. Fits Many Older GM Vehicles, Camaros, Impalas, El Caminos, Chevelles, Novas, Mailibus, Pontiacs etc. B1 Series/15°/18° Spec Heads. View Details. Unthreaded On our big-block headers, we TIG-weld silicon bronze on the outside of the flange to keep the tube from cracking, but keeping them off the ground is the key. They are designed to work in conjunction with our SBC to Mustang motor mount adapters and will clear the factory k-member. Start your custom header project with a pair of Advance Adapters header flanges. REMFLEX gaskets won't burn out. offers the finest in CNC laser cut header flanges. 99 $14. 625 Port . Build or modify your own headers with these flange plates. 99 JEGS Header Flange for Ford 429-460 [Oval Port] $30. but also thinking 1inch may be to long. Hedman Hedders & Trans-Dapt Performance Products are two of the hot rod industries original manufacturers, dating way back to 1954. Behind the beauty of the Ultimate Headers unique patented design is the technology that takes aftermarket headers to a new level of achievement. Turbos are being installed in hot rods and cars that were never intended to have one, so a custom system must be fabricated. SBC 265 283 302 305 307 327 350 400 etc. Header Flanges, Steel, 3/8 in. 25” Header Flanges, Outer Flange, No Stubs, Steel, 0. Mopar - Flanges - Products JavaScript seems to be disabled in your browser. (5) Muscle Head Stg IV & V Header Flanges, Etc. 550 x 1. High-recovery material allows header or manifold flange to stay sealed if flange loses clamp-load,These premium exhaust gaskets from Mr, Gasket are designed and constructed to improve the sealing of exhaust header flanges, Fits all Small Block Chevy Engines using a 1,63" Round port, free shipping and return 100 Days Free Returns Enjoy discounts and free shipping! . 928-9002-06-C. 25" 2. 00. , Inc. #923-301 2-1/8″ Header Flange for Standard BBC. 5300 Hemi Header Flanges, Etc. $27. 99: c-8125. 5" Vband Provision, Can be Easily Used with Single or Twin Turbo Setup. two came up for my truck. $34. Known primarily for exhaust headers, engine mounts, carburetor spacers and adapters, and chrome and aluminum customizing accessories, these two pioneering companies have 1000's of components to help your GM, Ford or MOPAR car or truck run stronger and look cooler. Set $100. The pattern needs to match the bolt pattern on the cylinder head. For most header builds, this extra leg length mean you won’t need to buy any straight tubing. These laser cut flanges are 3/8" thick for standard port chevy small block cylinder heads. 750 Port . Header Flanges, 304 Stainless Steel, 3/8 in. 97 Speedway Motors Collectors 3 in. 00 W/O Collectors Bare Steel Item #: Header Flange Stahl Round Mild Steel 1. 54 in. Estimated Ship Date: 4/2/2021 (if ordered today) $37. $39. The SBX-T is made specifically for turbocharged or boosted applications of varying displacements. Thunderbird. 00 Port . 003" We carry over 250 different header flange designs, so if you don't see the flange you're looking for, talk with one our tech reps about custom header flange cutting. 2 Edelbrock Victor ROX p/n 350-777668. Primaries, Pair. 13” C85627 2. The header flanges are ground flat and deburred so they are smooth inside. List price: Previous Price C $116. 99 $ 15. 624/. Guaranteed lowest price! Save $10 off $299, $20 off $699, $30 off $899, $100 off $1,899 Orders 23 Degree SBC Stahl Header Flange - 3/8" Thick Stainless - for 2" Primaries. Dia. 96 View Item Details Header Flange - 1/4 In Thick - 1-3/4 In D Port - Steel - Small Block Chevy - Each SCHOENFELD HEADER | Part# SCH-0104 More Details $30. Stainless Works Stainless Steel Header Flanges for Small Block Ford AFR 225 Heads. Theise flanges are made to order 10mm steel Thiese suit spred port Can pick up from emu plains <br>Or shipping will be made via Aust post <br> DESIGN HISTORY. 00. Part No: 187. Exhaust wraps help to retain heat in your exhaust system, which increases Horsepower while reducing radiant heat damage, especially to spark plug wires Quick view. The heavier material we use to fabricate our flanges greatly reduce the warping problems seen in other lighter flanges. These flanges are laser cut from Mill Finish 3/8" Thick 304 Stainless Steel for a warp free fit. Welded to clear 4 inches from head to inside of header. 48: Trick Flow® header flanges will allow you to custom build your own set of headers to match your vehicle. Header Flange Plates, Small Block Chevy Brodix Spread Port, 1-3/4 Inch $54. 49. 18 Degree SBC Header Flange - 3/8" Thick Mild Steel. Small Block 265-400; GM LS Engines; Big Block 396-454, 502; WS-Series 348-409; 1949-1954 Ford-Mercury Cars. These headers are designed to work with either straight or angle plug heads. sbc header flanges