Ford SB 289 302 351 Windsor Copper Exhaust Gasket Set Manufactured from billet steel

Manufactured from billet steel

Designed for use with Speedmaster air cleaners

They take the place of your head bolt washers and are hardened and chamfered

withstanding up to 190

Featuring a low profile design and a high flow runner design these manifolds will improve performance from 1500-6500 RPM range

Ford SB 289 302 351 Windsor Copper Exhaust Gasket Set Manufactured from billet steelThese 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.