Cathedral Port Cylinder Heads

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...

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...

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 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 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 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 CNC Aluminum Cylinder Head 11071040 - 250cc Cathedral Port, Bare Dart’s PRO1 LS 15° 250cc CNC ported Aluminum cathedral port cylinder heads for GM LS series small block V8 engines take performance to the next level...

Dart Pro 1 LS Gen III CNC Aluminum Cylinder Head 11071142 - 250cc Cathedral Port, Assembled Recommended for engines with 4.000” bore or larger. Maximum competition, competition modified drag racing, circle track. Over 7,000 RPM.Dart’s PRO1 LS...

Dart Pro 1 LS Gen III CNC Aluminum Cylinder Head 11071143 - 250cc Cathedral Port, Assembled Recommended for engines with 4.000” bore or larger. Maximum competition, competition modified drag racing, circle track. Over 7,000 RPM.Dart’s PRO1 LS...

Edelbrock LS1/LS2 215cc CNC Cylinder Head 79949 - Assembled  The Edelbrock 79949 E-CNC Small Block Chevy GEN 3 & 4 LS cylinder head are designed for 1997 & later GEN 3 & 4 LS1/LS2 Chevy engines including 4.8L, 5.3L, 5.7L & 6.0L. The...

Mast Black Label GM LS 245cc/70cc 11° CNC Cylinder Head Cathedral Port - Bare CH-LS1-600185 Mast Motorsports offers the most comprehensive LS & LT Line of Cylinder Heads. Starting with a raw casting, and complete the machining process 100% in...

Mast Black Label GM LS 245cc/70cc 11° CNC Cylinder Heads Pair Cathedral Port w/Titanium Intake - CH-LS1-600231 Mast Motorsports offers the most comprehensive LS & LT Line of Cylinder Heads. Starting with a raw casting, and complete the machining...