Mr. Gasket Copperseal Header Gasket - 1.450 x 1.480 in Rectangle Port - Copper - Small Block Chevy - Pair HARN04F003 This device protects the ECU

This device protects the ECU input from damaging flyback voltage which occurs when the transbrake is released

The phrase ''having your cake and eating it to'' would certainly be appropriate with their moderately sized intake runners producing tremendous flow figures across the entire lift range

Available in Red (P/N 7764) or Black (P/N 77643)

Better engine builders know that cam lobe and lifter wear is caused by inadequate oil lubrication at the cam and lifter surface

Mr. Gasket Copperseal Header Gasket - 1.450 x 1.480 in Rectangle Port - Copper - Small Block Chevy - Pair HARN04F003 This device protects the ECUProduct Description: Exhaust Header Manifold Gasket Copperseal 1. 450 x 1. 480 in Rectangle Port Copper Small Block Chevy Pair Using his own '57 Chevy as a rolling test bed, drag racer Joe Hrudka launched the most famous gasket company in the world more than half a century ago (started in 1964). Building a name for himself and his company competing at Cleveland area tracks Norwalk and Dragway 42, Hrudka quickly established Mr. Gasket as the go to