Exhaust Gasket - Buick V8 400-455 Exhaust Header / Manifold Gasket - 1.313 x 1.938 in Rectangular Port - Graphite - Buick V8 - Pair

Copper Exhaust Gaskets - Buick 455 Stage 1 Exhaust Header / Manifold Gasket - Pro Copper - Rectangular Port - Copper - Big Block Buick - Pair

Exhaust Gasket-OLDS V8 260-455 Exhaust Header / Manifold Gasket - 1.625 x 2.188 in Rectangle Port - 3.375 x 2.188 in Center Port - Graphite - Diesel / Gas - Oldsmobile V8 - Pair

Exhaust Gaskets Olds V8 400/425/455 Exhaust Header / Manifold Gasket - 1.625 x 1.875 in Rectangular Port - Open Center Port - Graphite - Oldsmobile V8 - Pair

Header Gasket Set - Buick V8 - 400/430 /455 Exhaust Header / Manifold Gasket - 1.200 x 2.000 in Rectangle Port - Steel Core Graphite - Big Block Buick - Pair