AFR 305cc Rectangle Port 24 Degree Magnum Aluminum Cylinder Heads - Big Block Chevrolet MAC-4P-KIT Valves and studs are in

Valves and studs are in stock GM L98 locations just like the 180cc

7L (td)Vehicle Applications: Ford Diesel Trucks 17-18 V8-6

Reverse Swing Mount

GM LS-Series Valley Cover Flange

AFR 305cc Rectangle Port 24 Degree Magnum Aluminum Cylinder Heads - Big Block Chevrolet MAC-4P-KIT Valves and studs are inThe smallest big block Chevy rectangle port intake volume runners in AFR's line up, but don't let size fool you. This partially ported 305cc cylinder head features a CNC bowl & chamber blend that will provide you with flow numbers most medium sized cylinder heads (and some larger) can only dream about. This line was designed to optimize low and mid lift airflow, while still generating impressive peak figures. The application should be focused on