
Original: $76.85
-65%$76.85
$26.90The Story
Highlights
Patriot precision machined header flange kits are available for many popular engine families. Header flange kits come complete with gaskets and header bolts.
Our 3/8" Header flange kits have heavy duty 1100° F gaskets.
- For Chevy LS1-LS9 Engines
- Round Port Shape
- Choose from two tube diameter options: 1 5/8" - 1 3/4" or 1 7/8"

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Highlights
Patriot precision machined header flange kits are available for many popular engine families. Header flange kits come complete with gaskets and header bolts.
Our 3/8" Header flange kits have heavy duty 1100° F gaskets.
- For Chevy LS1-LS9 Engines
- Round Port Shape
- Choose from two tube diameter options: 1 5/8" - 1 3/4" or 1 7/8"












