Description

500+ horsepower potential out-of-the-box using stock valve train geometry.
High-flowing 210cc intake ports and .130" raised 75cc exhaust ports.
Available with 60cc or 70cc combustion chambers.
70cc combustion chambers are ideal for turbocharged and supercharged applications.
CNC gasket-matched port entries/exits with blended valve bowls.
Spark plug holes and valves are in the stock location.
Valve cover rail raised .150".
A relief in the head allows most roller lifters to be changed without removing heads.

Reference: JPFD5112832