Chevy SBC 350 Oval Port Copper Exhaust Gasket Set The Speedmaster extra-wide rigid bands

The Speedmaster extra-wide rigid bands feature band linings with carbon fiber friction material for higher coefficient of friction for higher torque capacity and the ability to produce quicker

parts from other applications

Speedmaster valve locks are designed for stock or performance engines using 7 degree valve locks

less intake charge contamination

Chevy SBC 350 Oval Port Copper Exhaust Gasket Set The Speedmaster extra-wide rigid bandsThese 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.