Cylinder Head Accessories

Ferrea Competition Plus 8mm x 1.600 x 24 Degree Gen V LT Exhaust Valves Ferrea Competiton Plus is their best quality racing valve series, engineered for high rpm, high horsepower, racing engines. They have unique features that enhance airflow. This...

Chevrolet Performance Gen V L83 5.3L MLS 5-Layer Head Gasket 12622325 3.835" (97.4mm) bore x .052" (1.33mm) thickness x 5-layer MLS.     

Chevrolet Performance Coolant Crossover Pipe 12694769 Front cylinder head steam bleed tube. Includes O-rings in the fittings that bolt to the heads.

Chevrolet Performance Steam Crossover Bolt 11588714 6mm x 1.0 x 1.181" UHL

Chevrolet Performance Coolant Air Bleed Plug 12602540

Chevrolet Performance GM Gen V LT1/L86 6.2L MLS 5-Layer Head Gasket 12688943 4.0944" (104mm) bore x .0523" (1.33mm) thickness x 5-layer MLS.     

Chevrolet Performance Gen V L83, L86, LT1, LT4 Head Bolt 11611976 1 needed per engine

Chevrolet Performance Gen V L83, L86, LT1, LT4 Head Bolt 11546959 19 needed per engine

Chevrolet Performance LS/LT Cylinder Head Dowel 12570326 Cylinder Head Dowel Pin, Chevy, Small Block, LS & LT Engines, Each

Chevrolet Performance Gen V LT1/LT4 MLS Head Gasket 12654622 4.0944" bore x .053" thickness x 7-layer MLS See our 14-54622 for same OEM quality!    

Chevrolet Performance GM LS9 MLSHead Gaskets 12622033 **For the same quality at a better price, see our head gasket # 15-22033. 4.100" bore x .053" thickness x 7-layer MLS    

Chevrolet Performance LS MLS Head Gasket Set 12498544 - 5.3L, 5.7L ***For the same quality at a better price see our head gasket set  # 14-98544. Multi-layer steel (MLS) cylinder head gaskets. Fits: 4.8L Vin Code (C) 5.3L Vin Codes (0, 3, B, J,...