Whether on the street or the track, these bolt-on, CNC-ported cylinder heads are equipped with the highest quality parts and technology available, to deliver optimum performance. Capable of handling camshafts with valve lifts up to .600", they are designed to optimize flow while maintaining optimum port velocity.

Features:

Brand-new, "factory-fresh" castings (no core required)

5-axis CNC-ported "Beehive" competition valve springs

One-piece stainless steel 2.055" intake and 1.600" exhaust valves

Titanium, 7� valve springs retainers

Machined, 7� round groove valve locks

High-temperature Viton valve seals

Bronze alloy valve guides

Hardened, custom valve seats

Premium "5-angle" CNC-machined valve job