LS3 Cylinder Heads

Chevrolet Performance L92 Aluminum Cylinder Head Assembly 12711770 (Superseded 12629062) Stock L92 cylinder head. Features: For 4.000" Bore & up Solid Stem Intake and Exhaust Valves 0.510" Max Lift Valve Springs Add LSXceleration's...

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...