Cylinder Heads

Dart SHP Pro LS3 CNC Cylinder Head 129422 - 266cc Rectangle Port, Assembled 1.304” Dual Valve Springs for Solid Roller 70 CC Chamber .700 Max Lift Designed with an 11° valve angle, the SHP PRO 266cc cylinder head outperforms standard LS...

Dart SHP Pro LS3 CNC Cylinder Head 129421 - 266cc Rectangle Port, Assembled 1.295” Dual Valve Springs for Hydraulic Roller. 70CC Chamber .650 Max Lift Designed with an 11° valve angle, the SHP PRO 266cc cylinder head outperforms standard LS...

Dart SHP Pro LS3 CNC Cylinder Head 129411 - 266cc Rectangle Port, Bare Designed with an 11° valve angle, the SHP PRO 266cc cylinder head outperforms standard LS castings by improving airflow and efficiency while retaining compatibility with factory...

Dart Stainless Steel GM LS7 1.625 Exhaust Valve 21397625 Dart stainless steel valves are designed to withstand the pressures of high-lift roller cams and feature a head design that promotes high flow. They are constructed of high-strength stainless steel...

Dart Stainless Steel 8mm x 2.200 LS7 Intake Valve 21397200  

Dart Stainless Steel 8mm x 2.080 LS1 Intake Valve 21392080  

Dart Stainless Steel 8mm x 2.055 LS1 Intake Valve 21392055  

Dart Stainless Steel 8mm x 2.020 LS1 Intake Valve 21392020     

Dart Race Series 7/16" Head Stud Kit 66120027 - 23 Bolt For Aluminum LS 10 Degree Next Block  

Dart Race Series 7/16" Head Stud Kit 66120017 - 23 Bolt For Iron LS 10 Degree Next Block  

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...