-Gx200- 32 x 25 Moflow Head breather hole (factory is with hole, use no hole for 3" bore):Without Hole with a 72mm tillotson block

with a 72mm tillotson block

500" - 112cfm

Featuring unique faceted design

-37cc chamber

-Gx200- 32 x 25 Moflow Head breather hole (factory is with hole, use no hole for 3" bore):Without Hole with a 72mm tillotson blockBillet cylinder head for small block gx200 clone engine 32mm intake and 25mm exhaust. Optimized flow and velocity. 14cc or 18cc combustion chamber Comes with valves, seats, and guides installed and ready to use. Supports . 500" lift with no modifications. Accepts all stock height components, (meaning you can reused your intake or exhaust parts). Works well with aftermarket roller rockets. Aftermarket pushrods and valve cover or spacer required. There