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...

Dart Pro 1 LS3 Gen III Aluminum Cylinder Head 11030153 - 280cc Square Port, Assembled The Pro 1 Series heads from Dart cover street and racing applications! The as cast ports are known to flow better than many ported designs and come at a much more...

Dart Pro 1 LS3 Gen III Aluminum Cylinder Head 11030152 - 280cc, Assembled The Pro 1 Series heads from Dart cover street and racing applications! The as cast ports are known to flow better than many ported designs and come at a much more affordable price...

Dart Pro 1 15° 225cc LS Aluminum Cylinder Heads Recommended for engines with 4.000” bore or larger. Maximum competition, comp/modified drag racing, circle track, and heavy duty applications. Dart’s LS based PRO1 LS 15° 280cc...