Remflex Header Gasket - 1-7/8 x 1-1/2" Square Port - 0.125" Thick - Graphite - Cadillac V8 1956-57 - (Pair) AA0220BG2T58 these are the only kits

these are the only kits available for your vehicle

990 in Diameter

Adjustable slip collar mounting flange provides up to 3" of adjustment

All POWERBOND RACE series meet SFI specification 18

2-1/4 in Tailpipes

Remflex Header Gasket - 1-7/8 x 1-1/2" Square Port - 0.125" Thick - Graphite - Cadillac V8 1956-57 - (Pair) AA0220BG2T58 these are the only kitsProduct Description: Exhaust Header Manifold Gasket 3 Port 1. 875 x 1. 500 in Square Port 0. 125 in Thick Graphite Cadillac V8 1956 57 Pair Remflex gaskets are made from a unique graphite material that creates a tight seal ever time. These gaskets are available for many OE and custom applications. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000