Maximum performance/full competition, unlimited oval and super classes. 7,000+ RPM, 400+ cubic inch engines.

PRO1 23° 230cc Platinum series heads are intended for maximum effort competition engines with large displacements and very high RPM usage.

Long wearing Bronze valve guides, screw-in studs, multi-angle intake seats with hardened, radiused exhaust seats are standard. Best of all, our precision cast ports produce outstanding airflow without time consuming porting.

Assemblies include Stainless Steel valves, premium springs, locks, retainers, studs, guide plates and seals.

Heads are sold individually