Fit any LS engine with Chevrolet Performance LS3 cylinder heads. Manufactured from aluminum alloy, these GM stock replacement heads are assembled with intake and exhaust valves, stem seals, retainers, springs, and locks.

Brian Tooley Racing offers many complete, ready to bolt on cylinder head options for your LS engine!

Lingenfelter offers a CNC ported version of the L92/LS3 aluminum cylinder head used on 2008 production 6.2L based Chevrolet Corvettes and various 2007-2008 L92 L76 6.2L and 6.0L based GM trucks. The cylinder head ports and chambers are carefully redesigned to produce the best flow characteristics that will provide improved horsepower & torque.

The LS3 Aluminum Cylinder Heads are stock replacement LS3/L92 heads manufactured from aluminum alloy and are available as bare castings to add your own components or fully assembled with intake and exhaust valves, valve stem …

Find LS3 Style Cylinder Heads at LSXceleration with Free Shipping on qualifying orders!

High performance premium cylinder heads and components for LS & LT applications. We design and manufacture a large line of cylinder heads for LS1, LS3, LS7, LS9, LT1, LT2 & LT4 engine platforms. If you are looking for more power and better …

LS3 Cylinder Head Assembly • Aluminum performance head • Fits any LS family engine with 4.000" bore or larger • 2.165" hollow stem intake, and 1.590" solid stem exhaust valves • .550" max valve lift • As-cast L92 style intake ports • D-shaped exhaust ports • As-cast combustion chambers . Head P/N12629063 assembled with the following:

The Superior LS3 Cylinder Head for LSA/LS9 Type Superchargers Utilizing a 4.065-4.125” Bore. Raised Intake And Exhaust Ports For Superior Efficiency. Optimal Chamber Design, Engineered to: Provide More P to V Clearance, Making Room For More Aggressive Camshafts. Unmatched Flow Characteristics In A 10 Degree Valve Angle. CHE Bronze Valve Guides Chamber: 67cc FED Prime Grade – Black Nitride ...