Cylinder Heads

Cometic Gen V LT1/4 4.150 Bore MLx Head Gasket C15203-040 Gen V LT1/LT4 4.150" Bore. 0.040" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without...

LSXceleration Titanium 8mm x 2.165 LS Intake Valve +0.500 Long   Titanium LS Valves 2.165" Head x 8mm Stem x 5.450" OAL x 0.290" Tip Features: Hardened Stem Tip Fully Machined Surface Swirl Polished Undercut...

Cometic LS 4.000 Bore MLS Head Gasket C5477-045 LS 4.000" Bore. 0.045" 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...

Manley Titanium 8mm x 2.205 LS7 Intake Valves w/ CrN Seat Coating 11958BC-8 These valves have an O.E. style single radius keeper groove. “C” suffix indicates CrN seat coating Use Manley valve lock P/N 13098-16 (7°) or 13153-16...

LSXceleration CNC Ported LT1 LT2 L86 L87 OEM Cylinder Heads OEM LT1 LT2 L86 L87 GM Castings CNC Ported. Available to purchase out right or with core exchange.  Features: CNC Ported Intake & Exhaust Runners 5-angle Valve Job Available Bare...

LSXceleration XF3 LS3 280cc/68cc 11° CNC Cylinder Heads - Stainless Intake, Inconel Exh, 0.660" Lift, Tool Steel Retainers 15-361232-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. Features: 6 bolt...

LSXceleration XF3 LS3 280cc/68cc 11° CNC Cylinder Heads - Stainless Intake, Inconel Exh, 0.660" Lift, Steel Retainers 15-361231-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. Features: 6 bolt casting 11°...

LSXceleration XF3 LS3 280cc/68cc 11° CNC Cylinder Heads - Stainless Intake, Stainless Exh, 0.660" Lift, Titanium Retainers 15-361223-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. Features: 6 bolt...

LSXceleration XF3 LS3 280cc/68cc 11° CNC Cylinder Heads - Stainless Intake, Stainless Exh, 0.660" Lift, Steel Retainers 15-361221-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. Features: 6 bolt casting 11°...

LSXceleration XF3 LS3 280cc/68cc 11° CNC Cylinder Heads - Stainless Intake, Stainless Exh, 0.660" Lift, Steel Retainers 15-361221-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. Features: 6 bolt casting 11°...

LSXceleration XF3 LS3 280cc/68cc 11° CNC Cylinder Heads - Stainless Intake, Inconel Exh, 0.660" Lift, Ti Retainers 15-361233-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. Features: 6 bolt casting 11° Valve...

LSXceleration XF3 LS3 280cc/68cc CNC Cylinder Heads - Bare 15-361000-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. Features: 6 bolt casting 11° Valve Angle 0.750" Deck CNC Ported Intake Ports, Exhaust Ports...