MAXIMA SEMI-SYN 4-cycle engine oil is a complex blend of synthetic esters and highly refined petroleum base stocks offering protection beyond conventional oils. Technologically advanced additives containing special anti-wear/extreme pressure additives protect critical engine components from extreme loads and peak temperatures generated by high-performance engines. Advanced, shear-stable polymers resist mechanical break-down and viscosity loss of the oil. SEMI-SYN delivers increased horsepower, optimum engine cleanliness, reduces wear on bearings, cams, lifters, crankshafts and extends engine life. High Zinc/Phosphorous formula engineered for use in flat tappet and roller element engines.
SEMI-SYN is available in 2 viscosities to better match your engine to conditions and needs.
MAXIMA SEMI-SYN is compatible with petroleum and synthetic engine oils. SEMI-SYN is a fully formulated race oil and does not require the addition of additives or boosters. No special procedures are required when changing to Maxima Racing Oils.NOT RECOMMENDED FOR STREET USE. MAXIMA SEMI-SYN race-grade formula has elevated anti-wear additives designed to protect engines in extreme conditions. Elevated antiwear additives may adversely impact emissions systems on passenger cars.