LS3 Cylinder Heads

RHS Pro Action 260/69cc LS3 Bare Cylinder Head 54530 RHS has introduced their new Pro Action™ Rectangle Port Aluminum Cylinder Heads as a premium LS3 replacement head, ensuring great power on any performance or stock engine build. Available bare...

RHS Pro Action 260/69cc LS3 Assembled Cylinder Head 54530-06HCS RHS has introduced their new Pro Action™ Rectangle Port Aluminum Cylinder Heads as a premium LS3 replacement head, ensuring great power on any performance or stock engine build...

RHS Pro Action 260/69cc LS3 Assembled Cylinder Head 54530-05HCS RHS has introduced their new Pro Action™ Rectangle Port Aluminum Cylinder Heads as a premium LS3 replacement head, ensuring great power on any performance or stock engine build...

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.

Trick Flow GenX 255cc/69cc CNC Assembled Cylinder Head TFS-32610001-C01 Trick Flow engineers combined the best features of factory GM LS3 and LS7 cylinder heads with Trick Flow’s own unique brand of race-winning engineering and technology to create...

Trick Flow GenX 255cc/69cc CNC Assembled Cylinder Head TFS-3261T003-C01 Trick Flow engineers combined the best features of factory GM LS3 and LS7 cylinder heads with Trick Flow’s own unique brand of race-winning engineering and technology to create...

Trick Flow GenX 255cc/69cc CNC Assembled Cylinder Head TFS-3061T002-C01 Trick Flow engineers combined the best features of factory GM LS3 and LS7 cylinder heads with Trick Flow’s own unique brand of race-winning engineering and technology to create...

Trick Flow GenX 255cc/69cc CNC Assembled Cylinder Head TFS-3261T004-C01 Trick Flow engineers combined the best features of factory GM LS3 and LS7 cylinder heads with Trick Flow’s own unique brand of race-winning engineering and technology to...

Trick Flow GenX 255cc/69cc CNC Assembled Cylinder Head TFS-3261T001-C01

Trick Flow GenX 255cc/69cc CNC Assembled Cylinder Head TFS-32610002-C01 Trick Flow engineers combined the best features of factory GM LS3 and LS7 cylinder heads with Trick Flow’s own unique brand of race-winning engineering and technology to create...

Chevrolet Performance L92 Aluminum Cylinder Head Assembly 12629062 Stock L92 cylinder head. Features: For 4.000" Bore & up Solid Stem Intake and Exhaust Valves 0.510" Max Lift Valve Springs Add LSXceleration's 80540K1 XceleRate Series Dual...

Chevrolet Performance LS3 CNC-Ported Aluminum Cylinder Head Assembly 88958758 The CNC-Ported LS3 Head flows 10% more than the stock LS3 head. Add LSXceleration's 80540K1 XceleRate Series Dual Valve Spring Kit - 1.300! Heads are sold individually.