LS3 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...