Chevrolet V8 engines small block with standard exhaust pattern Exhaust Manifold Header 265-400 wy2311A stainless steel pivot pins for

stainless steel pivot pins for rock solid stability and bombproof

OE/OEM Number: 04E121121E

The manifold spacer is made out of thermal polymer

0445020175

Chevrolet V8 engines small block with standard exhaust pattern Exhaust Manifold Header 265-400 wy2311A stainless steel pivot pins forFeature: 1. Getting more air into your engine and more exhaust out is the key to a performance motor. That's where exhaust headers is significant as the first revenue of an exhaust system. Exhaust performance headers manipulate the air flow with the performance robbing exhaust manifold that came with your car. 2. Headers provide each cylinder with its own mini exhaust pipe, which means exhaust headers prevent interference among cylinders; thus, the