Chevrolet 348/409 Custom Turbo Header Build Kit
Pro Series Turbo Header Build Kits: Chevrolet 348/409 "W" Heads
This turbo header build kit has everything you need to bring those Chevrolet 408 turbo headers together. See why Stainless Headers Mfg., Inc has the most complete header builder kit on the market.
We offer 3 stages of kit combination options:
Stage 1: The Base Kit
- 8) J Mandrel Bends (Available in 2" or 2 1/8" primary tube size)
- 4) 180 Degree Mandrel Bends (Available in 2" or 2 1/8" primary tube size)
- 2) Chevy 409 Header Flanges�
- 8) Precision Formed Header Flange Stubs�(Available in 2" or 2 1/8" primary tube size)
- 2) Formed Collectors�(Available in 2" or 2 1/8" primary tube size)
- 2) Collector Stars (Available in 2" or 2 1/8" primary tube size)
- 5) Purge Caps
- 2) O2 Bungs
- 1) 1/4 LB Tig Filler Rod
- 2) T-3 or T-4 or T6 Flanges with Elbows
Stage 2: Includes everything you see in Stage 1, plus:
Stage 3: Includes everything in stage 1 and 2, plus:
What makes our header build kits the choice of top fabricators?
Flanges� Included are 2 American made precision laser cut 3/8� thick header flanges
Mandrel Bends- We supply (8) 180 degree J bends and (4) 180 staggered leg bends. Our J bends come with a 6� & a 12� leg. For most header builds, this extra leg length mean you won�t need to buy any straight tubing. We also supply (4) shorter staggered leg 180 degree bends used for those minimum length applications.
What makes our stainless mandrel bends truly a unique product? We start off with an American made 304 stainless raw material, that is then bent in the U.S. for a genuine 304 stainless bend. Our material forms better, welds better and last because it is a genuine 304 stainless.
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. Just like our stainless bends, we start off with an American made 304 stainless and fabricate the industries finest collectors. Since the merge portion of our formed collectors are roughly 3�, they can be shorted for those tight configurations found on most up and forward turbo applications.
Heavy 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, there are precision laser cut for a perfect fit between your specific primary tubes. For our turbo build kits, we offer a heavier, 3/16� thick stainless star.
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 (1) � lbs. packages of filler rod (Most headers can be welded with � lbs. of filler rod)
Header Fabrication Instructional Thumb Drive. We are the first in the industry to offer a header how to video as part of our header build kits. There is a wealth of knowledge included on our instructional thumb drive. Quite a few tips and tricks that are not featured on our YouTube channel. This is the perfect companion to complete your header build kit. If you're looking for another turbo header option, check out the video below for information regarding our new bolt-on modular turbo headers. They allow an infinite amount of possible turbo set ups, all without ever having to strike an arc. Call one of our specialists for more information.
- Item Requires Shipping
- 55.0 lbs.
- W19.0000” x H15.0000” x L19.0000”
- Free GROUND Shipping
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