Marine Head Gasket - GM 4.3L Cylinder Head Gasket - Marine - 4.125 in Bore - 0.039 in Compression Thickness - PTFE Coated Fiber - GM V6 - Each

GM LS1 Header Gaskets Exhaust Header / Manifold Gasket - Ultra-Seal - 1.750 in Round Port - Steel Core Laminate - GM LS-Series - Pair

Exhaust Gasket Set GM 4.3L V6 Exhaust Header / Manifold Gasket - 1.697 x 1.55 in Oval Port - Composite - GM V6 - Pair

Exhaust Header Gasket Set GM LS Exhaust Header / Manifold Gasket - Stock Port - Graphite - GM LS-Series - Pair

Exhaust Header Gasket Set GM LS1 97-04 Exhaust Header / Manifold Gasket - 1.840 in Round Port - Steel Core Laminate - GM LS-Series - Pair

Exhaust Header Gasket Set GM LS 5.3L/6.2L Exhaust Header / Manifold Gasket - Stock Port - Oval Port - Graphite - GM LS-Series - Pair