Cylinder Heads

Ferrea Competition Plus Hollow Stem 8mm x 2.165 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...

Dart Race Series GM LS Gen III 10 Degree 368cc CNC Aluminum Cylinder Head 11081050 - Bare Recommended for maximum competition LS engines with 4.155” bore or larger. Drag race, maximum competition, naturally aspirated, heavy nitrous or forced...

Manley LS3/LS92/LS99 Severe Duty Stainless Hollow Stem 8mm x 2.165 Intake Valves 11686H-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...

Manley LS3/LS92/LS99 Severe Duty Stainless 8mm x 2.165 Intake Valves 11686-8 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 and Racing...

Manley LS3/LS92/LS99 Race Series Stainless Hollow Stem 8mm x 2.165 Intake Valves 11620H-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...

Manley LS3/LS92/LS99 Race Series Stainless 8mm x 2.165 Intake Valves 11620-8 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 and Racing...