4.100 MLS Head Gasket .040 GM LS1/LS2/LS3/LS6 Cylinder Head Gasket - 4.100 in Bore - 0.040 in Compression Thickness - Multi-Layer Steel - GM LS-Series - Each

Exhaust Manifold Flange GM LS1/LS2/LS3/LS6 Header Flange - 0.375 in Thick - 1.89 in Round Port - Stainless - GM LS-Series - Pair

Intake Gasket Set - GM LS1/LS2/LS6 Intake Manifold Gasket - 0.06 in Thick - 1.15 x 3.375 in Cathedral Port - Composite - LS1 / LS2 / LS6 - GM LS-Series - Pair

Head Gasket - GM LS1/LS6 Cylinder Head Gasket - 3.945 in Bore - 0.048 in Compression Thickness - Multi-Layer Steel - GM LS-Series - Each

Intake O-Ring Gasket Set GM LS1/LS2/LS6 Intake Manifold Gasket - O-ring - Rectangular Port - Rubber - Holley LS1 / LS2 / LS6 Intakes - GM LS-Series - Set of 8

4.100 MLS Head Gasket .051 GM LS Cylinder Head Gasket - 4.100 in Bore - 0.051 in Compression Thickness - Multi-Layer Steel - GM LS-Series - Each