
Original: $611.63
-65%$611.63
$214.07The Story
Highlights
Patriot Weld-up kits work great for racers who need to build custom headers when a specific fit header is not available. Kits come with mandrel bent one piece primaries, two 3/8” precision machined flanges and your choice on most applications of either formed weld-on or slip-on collectors incorporating unique long transition to provide better flow. Mounting bolts, gaskets and collector locking tabs (slip-on style only) are also included.
- For Chevy Big Block (396-502) Engines
- 2 1/2" Tube Diameter
- 5" Collector Diameter
- Weld-On or Slip-On Collector Type
- Round Port Shape

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Highlights
Patriot Weld-up kits work great for racers who need to build custom headers when a specific fit header is not available. Kits come with mandrel bent one piece primaries, two 3/8” precision machined flanges and your choice on most applications of either formed weld-on or slip-on collectors incorporating unique long transition to provide better flow. Mounting bolts, gaskets and collector locking tabs (slip-on style only) are also included.
- For Chevy Big Block (396-502) Engines
- 2 1/2" Tube Diameter
- 5" Collector Diameter
- Weld-On or Slip-On Collector Type
- Round Port Shape












