Cylinder Head Accessories

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 Stock Replacement GM LS 1.55 Exhaust Valve    

Ferrea 6000 Series 8mm x 1.550 Super Flo LS6 Exhaust 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 6000 Series 8mm x 1.550 Flo LS Exhaust 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 and...

Ferrea Competition Plus 8mm x 1.550 Super Flo LS Exhaust Valves Ferrea Competiton Plus is their best quality racing valve series, engineered for high rpm, high horsepower, racing engines. They have unique features that enhance airflow. This series of...

Manley Titanium 8mm x 2.205 LS7 Intake Valves w/ CrN Seat Coating These valves have an inserted hard tip except P/N 11958BC-8 These valves have an O.E. style single radius keeper groove. “C” suffix indicates CrN seat coating Use Manley...

Manley Titanium 8mm x 2.205 LS7 Intake Valves These valves have an inserted hard tip except P/N 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...

Manley LS7 Severe Duty Stainless Hollow Stem 8mm x 2.205 Intake Valves 11688H-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...

Manley LS7 Severe Duty Stainless 8mm x 2.205 Intake Valves 11688-8 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 LS1/LS2/LS6 Severe Duty Stainless 8mm x 1.550 Exhaust Valves 11673-8 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 LS1/LS2/LS6 Race Series Stainless 8mm x 1.550 Exhaust Valves 11361-8 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...