Cylinder Heads

Chevrolet Performance CNC LS3 Aluminum Cylinder Head Assembly w/ Inconel Exhaust Valves 19301699 Heads are sold individually.

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 LS3 Aluminum  Cylinder Head Assembly 12675871 Stock LS3 Replacement Cylinder Head. Add LSXceleration's 80540K1 XceleRate Series Dual Valve Spring Kit - 1.300! Heads are sold individually.

Chevrolet Performance LT CNC Aluminum Cylinder Head Assembly 19329839 Fully assembled 2.130" Intake / 1.590" Exhaust Valves. Heads are sold individually.

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!