Cylinder Head Accessories

Chevrolet Performance MLS Head Gasket 12589226 - 5.3L, 5.7L Multi-layer steel (MLS) cylinder head gaskets. Fits: 4.8L Vin Code (C) 5.3L Vin Codes (0, 3, B, J, M) 5.7L (LS1/LS6)    

Cometic LS 3.910 Bore MLS Head Gasket C5475-030 LS 3.910" Bore. 0.030" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed outer layers of...

Cometic LS 4.060 Bore MLS Head Gasket C5751-084 LS 4.060" Bore. 0.084" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed outer layers...

Cometic LS 4.160 Bore MLS Head Gasket C5318-066 LS 4.160" Bore. 0.066" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed outer layers of...

Cometic LS7 4.150 Bore MLS Head Gasket C5889-051 LS7 4.150" Bore. 0.051" Compressed Thickness

Cometic LSX 4.185 Bore MLS Head Gasket C5935-070, Right Side LSX 4.185" Bore. 0.070" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed outer...

Cometic LSX 4.185 Bore MLS Head Gasket C5936-070, Left Side LSX 4.185" Bore. 0.070" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed outer...

Cometic Gen V LT1/4 4.200 Bore MLx Head Gasket C15202-040 Gen V LT1/LT4 4.200" Bore. 0.040" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without...

Cometic Gen V LT1/4 4.100 Bore MLx Head Gasket C5038-052 Gen V LT1/LT4 4.100" Bore. 0.052" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without...

Head Stud Kit For Iron LS Next Block - 23 Bolt

Manley 8mm Valve Lash Caps

Cometic Gen V L83 3.875 Bore MLx Head Gasket C15426-040 Gen V L83 3.875" Bore. 0.040" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without increasing...