1-5/8" Stainless Steel Manifold Header Fit Chevy Small Block Roadster Sprint MV The following models require spacers

The following models require spacers and longer fuel rail bolts and must change injector plugs(NO included):

For 700R4 - 4L60 - 4L60E - 4L65E

This product is a simple controller

the interface is SMA male

1-5/8" Stainless Steel Manifold Header Fit Chevy Small Block Roadster Sprint MV The following models require spacersFeature: 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