Jet Boat Water Inject Exhaust Headers for Chevy Big Block BBC V8 396 402 427 454

These Headers are designed specifically for a Jet Boat application with a Big Block Chevy engine. 

Headers feature ports for optional water injection system. 

These headers are designed to allow the exhaust gasses to flow more freely from each 4 cylinder bank and combine in a more efficient manner. 

Tubing has been optimized for the 396, 402, 427 and 454 engines.

INCLUDE:

1 x Header exhaust system

All necessary installation hardware

FEATURES:

Made of high quality T-304 stainless steel material

TIG welded CNC machine flange

Inlet / Outlet: 2.25" / 4"

Included Water Injection Ports Above Transom Headers

2 x 4-1 Racing design

Increase high flow air, instantly gain 10 to 15 Hp. / Tq.

NOTES:

Professional Installation is Highly Recommended

Installation Instruction is NOT Included