Chevy BBC 396 454 Copper Exhaust Gasket Set or choke control in the

or choke control in the way

The Speedmaster valve locks will fit any Speedmaster 10 degree retainer and are recommended for all race applications due to their superior strength

and will provide a leakproof seal

We designed our fabricated aluminum sheet metal intake manifold to improve the look and performance of your LS engine

Chevy BBC 396 454 Copper Exhaust Gasket Set or choke control in theThese Speedmaster exhaust gaskets are made from thick copper, and feature an embossed ridge around the exhaust port for a tight, leakproof seal. The copper gaskets help even out the flow between the head and header flange to minimize warping. Also, they'll conform to rough or irregular surfaces to maintain a positive seal, while keeping the header bolts tight.