Cylinder Heads

Dart Pro 1 LS7 Gen III Aluminum Cylinder Head 11061280J - 305cc CNC Rectangle Port, Bare Recommended for engines with 4.125” bore or larger. Maximum competition, comp/modified drag racing, circle track, and heavy duty applications. Dart’s new...

Dart Race Series GM LS Gen III 10 Degree 368cc CNC Aluminum Cylinder Head 11081156-1 - Assembled Recommended for maximum competition LS engines with 4.155” bore or larger. Drag race, maximum competition, naturally aspirated, heavy nitrous or forced...

Dart Race Series GM LS Gen III 10 Degree 368cc CNC Aluminum Cylinder Head 11081156 - Assembled Recommended for maximum competition LS engines with 4.155” bore or larger. Drag race, maximum competition, naturally aspirated, heavy nitrous or forced...

Dart Pro 1 LS7 Gen III Aluminum Cylinder Head 11061184 - 285cc CNC Rectangle Port, Assembled Recommended for engines with 4.125” bore or larger. Maximum competition, comp/modified drag racing, circle track, and heavy duty applications. Dart’s...

Dart Pro 1 LS Gen III Aluminum Cylinder Head 11021133 - 225cc Cathedral Port, Assembled PRO1 LS 15° 225cc intake runner covers applications from street cars and trucks to racing. As cast ports flow more than many ported designs at a much more...

Dart Pro 1 LS Gen III Aluminum Cylinder Head 11021132 - 225cc Cathedral Port, Assembled PRO1 LS 15° 225cc intake runner covers applications from street cars and trucks to racing. As cast ports flow more than many ported designs at a much more...

Dart Pro 1 LS Gen III Aluminum Cylinder Head 11020030 - 225cc Cathedral Port, Bare PRO1 LS 15° 225cc intake runner covers applications from street cars and trucks to racing. As cast ports flow more than many ported designs at a much more affordable...

Dart Pro 1 LS Gen III Aluminum Cylinder Head 11011122 - 205cc Cathedral Port, Assembled PRO1 LS 15° 205cc intake runner covers applications from street cars and trucks to racing. As cast ports flow more than many ported designs at a much more...

Dart Pro 1 LS Gen III Aluminum Cylinder Head 11010020 - 205cc Cathedral Port, Bare PRO1 LS 15° 205cc intake runner covers applications from street cars and trucks to racing. As cast ports flow more than many ported designs at a much more affordable...

AFR Mongoose LS3 260cc CNC Cylinder Heads 4-Bolt AFR’s 260cc LS3 “Mongoose” heads feature 100% CNC ported intake, exhaust and chambers using our advanced engineering and flow techniques to produce the ultimate Rectangle Port head...

AFR Mongoose LS3 260cc CNC Cylinder Heads 6-Bolt AFR’s 260cc LS3 “Mongoose” heads feature 100% CNC ported intake, exhaust and chambers using our advanced engineering and flow techniques to produce the ultimate Rectangle Port head...

AFR Mongoose LS 245cc Cathedral Port CNC Cylinder Heads 73cc AFR’s 245cc LS1/LS2/LS6 “Competition” ported heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers and high quality...