mineral 4 stroke engine oil
JASO MA API SG 10W-40 & 20W-50 viscosities available
Rock Oil Gamma is a premium quality mineral, 4 stroke engine oil meeting the exacting demands of classic bikes and modern high performance motorcycle engines where a mineral oil is required. Gamma ensures maximum engine component protection and superior resistance to deposits and corrosion, resulting in extended engine life and optimum performance under the most arduous of conditions. It also passes the crucial clutch friction test required to meet the JASO MA specification, allowing safe, predictable use in wet clutches.