Cylinder Heads

Dart Stainless Steel 8mm x 2.020 LS1 Intake Valve 21392020     

Dart Pro1 LS7 Gen III 285cc CNC w/ Machining for Jesel Rockers, Assembled for Solid Roller 11061184J Recommended for engines with 4.125” bore or larger. Maximum competition, comp/modified drag racing, circle track, and heavy duty applications...

Dart Pro 1 LS7 Gen III 285cc CNC w/ Machining for Jesel Rockers, Assembled for Hydraulic Roller 11061183J Recommended for engines with 4.125” bore or larger. Maximum competition, comp/modified drag racing, circle track, and heavy duty applications...

Dart Pro 1 LS7 Gen III Aluminum Cylinder Head 11061283J - 305cc CNC Rectangle Port, Assembled Recommended for engines with 4.125” bore or larger. Maximum competition, comp/modified drag racing, circle track, and heavy duty applications...

Dart Pro 1 LS7 Gen III Aluminum Cylinder Head 11061184 - 285cc CNC Rectangle Port, Assembled Recommended for engines with 4.125” bore or larger. Maximum competition, comp/modified drag racing, circle track, and heavy duty applications. Dart’s...

LSXceleration Stainless Steel 8mm x 2.020 LS Intake Valve Set 15-22020-8 Stainless Steel LS Valves 2.020" Head x 8mm Stem x 4.870" OAL x 0.160" Tip x 45 degree seat angle Features: Hardened Stem Tip Chrome Plated Stem Fully Machined Surface Swirl...

LSXceleration Stainless Steel 8mm x 2.020 LS Intake Valve 15-22020-1 Stainless Steel LS Valves 2.020" Head x 8mm Stem x 4.870" OAL x 0.160" Tip x 45 degree seat angle Features: Hardened Stem Tip Chrome Plated Stem Fully Machined Surface Swirl Polished...

Dart Pro 1 LS7 Gen III Aluminum Cylinder Head 11061183 - 285cc CNC Rectangle Port, Assembled Recommended for engines with 4.125” bore or larger. Maximum competition, comp/modified drag racing, circle track, and heavy duty applications. Dart’s...

Ferrea 6000 Series 8mm x 2.020 Super Flo LS Intake Valves +.100 Long Competition swirl-polished valves with higher fatigue resistance and tensile strengths than the competitors’ best offering. These valves are made to withstand high spring...

Ferrea 6000 Series 8mm x 2.020 Super Flo LS Intake Valves Competition swirl-polished valves with higher fatigue resistance and tensile strengths than the competitors’ best offering. These valves are made to withstand high spring pressure, roller...

Ferrea Competition Plus Hollow Stem 8mm x 2.020 LS Intake Valves These Hollow Stem Lightweight Valves are manufactured with a unique process that gun drill and micro polish the hollow stem cavity. These valves achieve a weight reduction of approximately...

Manley LS1/LS2/LS6 Race Series Stainless Hollow Stem 8mm x 2.020 Intake Valves 11362H-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance...