Cathedral Port Cylinder Heads

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 LS 245cc Cathedral Port CNC Cylinder Heads 1690 - Assembled AFR’s 245cc LS1/LS2/LS6 “Competition” ported heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers and high...

AFR Mongoose LS 245cc Cathedral Port CNC Cylinder Heads 1680 - Assembled AFR’s 245cc LS1/LS2/LS6 “Competition” ported heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers and high...

AFR Mongoose LS 230cc Cathedral Port CNC Cylinder Heads 1660 - Assembled AFR’s 230cc LS1/LS2/LS6 heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers and high quality components throughout...

AFR Mongoose LS 230cc Cathedral Port CNC Cylinder Heads 1630 - Assembled AFR’s 230cc LS1/LS2/LS6 heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers and high quality components throughout...

AFR Mongoose LS 230cc Cathedral Port CNC Cylinder Heads 1610 - Assembled AFR’s 230cc LS1/LS2/LS6 heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers and high quality components throughout...

AFR Mongoose LS 215cc Cathedral Port CNC Cylinder Heads 1530 - Assembled AFR’s 215cc LS1/LS2/LS6 heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers and high quality components throughout...

AFR Mongoose LS 205cc Cathedral Port CNC Cylinder Heads 1510 - Assembled AFR’s, MONGOOSE, LS1 Cathedral Port cylinder heads are 100% 5-AXIS CNC ported and made with A356 aluminum. All heads come with high quality...