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Chevy Round Port LS-Based Custom Fender Exit Header Build Kit
Chevy LS Custom Fender Exit Header Kit

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Our Price: $761.95

Product Code: RM-2525-FE-HBK

Material Type*:

Collector Design*:

Fender Exit Primary Tube Size*:

Bullhorn Bends*:

Bullhorn Trim Rings*:

Formed Collector Upgrades*:

V-Band Assembly:


Fender Exit Header Build Kits: LS1/6 Round Port

  • This header build kit has everything you need to bring that Fender Exit LS-Based custom header together. Designed to fit the standard round-port LS1/6 cylinder heads. This also works great for big-power LSX/LS7 applications. Great for building that set of fender exit headers for any pulling truck, racing, or performance application. See why Stainless Headers Mfg., Inc has the most complete fender exit header builder kit on the market for building your own custom headers. (HP recommendations at the bottom of this page) What makes our fender exit header build kits the choice of top fabricators?

    Included are:

    • Flanges: 2 American made precision laser cut 3/8” thick header flanges to fit the Chevy LS-based heads.
    • Port Size Options: 1 5/8", 1 3/4", 1 7/8" or 2"
    • Mandrel Bends: We start off with an American made 304 stainless raw material, that is then bent in the U.S. for a genuine 304 .065 stainless bend. Our material forms better, welds better and last because it is a genuine 304 stainless.
    • (4) Stainless Mandrel J Bends (6" and 12" staggered leg lengths)
    • (8) 90 Degree Mandrel bends (6" leg lengths)
    • (8) 45 Degree Mandrel bends (6" leg lengths)
    • 4 into 1 Collectors: From there we supply a precision formed 4 into 1 collector or a set of our optional super high flow slip on merge collectors with 4 sets of collector tabs. Just like our stainless bends, we start off with an American made 304 stainless and fabricate the industries finest collectors . We offer these header kits with 3 different collector options:
    • Formed weld on collectors (Collector stars included)
    • Slip on merge collectors with a straight exit (Collector tabs included)
    • Slip on merge collectors with a transitional exit (Collector tabs included)
    • Collector stars: A simple part that really helps speed up the fab process. Used as a weld in block off between the 4 tubes before welding the collector on, these are precision laser cut for a perfect fit between your specific primary tubes.
    • Purge Caps: This simple, but effective method for back purging caps works great. Each kit includes 4 primary caps and one collector cap.
    • O2 bungs: Each header builder kit includes 2 weld on O2 bungs. Precision machined in the U.S. from 304 stainless billet, these bungs weld beautifully, not like a cast bung
    • Tig Filler Rod: Includes ¼ lbs. package of filler rod:

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