>> This Head Combo is designed for a Max 300 Lift Cam

>> Approx Head Combustion Chamber 13cc

>> Head Machined .040 for higher compression

>> Fully Ported for Max flow

>> 3 Angled Valve Seats

>> Machined, Lite Weight, Hi Flow Valves (27/25mm Head Diameter & 5.5 mm Stems)

>> #26 lb Spring Set

>> Split Keeper / Retainer Set

>> Shaft Rocker Ass'y.. 1-1 ratio

>> Also includes, Stainless Steel .012 Head Gasket, thick valve cover gaskets for extra clearance, Grade 8 or better head bolts, exhaust studs,carburetor studs  (Do not use head dowel pins with this head gasket

This Head will fit ALL Chinese OHV Engines from 160cc thru 236cc (Contact us if its being used on any other engine than the Predator 224cc the ad was made for..