Cylinder Head Accessories

Optional 1/2" Head Stud Kit For Aluminum LS Next Block - 15 Bolt

Dart Stainless Steel 8mm x 2.055 LS1 Intake Valve 21392055  

Dart Stainless Steel 8mm x 2.200 LS7 Intake Valve 21397200  

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 2.055 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 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...

Mahle Performance LS MLS Head Gasket 55043 - 4.100 Bore .051 Thickness 4.100" bore x .051" thickness MAHLE performance MLS head gaskets are comprised of 3 stainless steel layers. Sealing beads surround the combustion chamber and coolant passages...

Manley Extreme Duty Stainless 8mm x 1.615 LS7 Exhaust Valves 11687-8 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 Race Flo Stainless 8mm x 2.165 Hollow Stem LS Intake Valves 12350H-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 Race Flo Stainless 8mm x 2.165 LS Intake Valves 12350-8 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 applications...

Manley Race Series 8mm x 1.560 L83 5.3L Exhaust Valves Stainless 12359-8 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 2.055 Intake Valves 11390-8 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...