Are you looking to make some serious power with an existing engine or one you are building? Look no further, this is the exact package that is used on our 650HP 505 or 512 crate engine. It will also supply plenty of air flow for a basic 440 short block.
PARTS INCLUDED
Promaxx aluminum heads with our CNC porting and titanium retainer and spring kit 2.19 / 1.81 valves.
