Exhaust Gaskets GM LS1/ LS6 Exhaust Header / Manifold Gasket - 1.875 in Round Port - Graphite - GM LS-Series - Pair

3.910 MLS Head Gasket .040 - GM LS1 Cylinder Head Gasket - 3.910 in Bore - 0.040 in Compression Thickness - Multi-Layer Steel - GM LS-Series - Each

4.130 MLS Head Gasket .051 - GM LS1 Cylinder Head Gasket - 4.130 in Bore - 0.051 in Compression Thickness - Multi-Layer Steel - GM LS-Series - Each

4.060 MLS Head Gasket .030 - GM LS1 Cylinder Head Gasket - 4.060 in Bore - 0.030 in Compression Thickness - Multi-Layer Steel - GM LS-Series - Each

4.130 MLS Head Gasket .060 - GM LS1 Cylinder Head Gasket - 4.130 in Bore - 0.060 in Compression Thickness - Multi-Layer Steel - GM LS-Series - Each

4.060 MLS Head Gasket .060 - GM LS1 Cylinder Head Gasket - 4.060 in Bore - 0.060 in Compression Thickness - Multi-Layer Steel - GM LS-Series - Each