• RS 4-cycle engine oil is a full synthetic, triple ester based race-grade oil.
• Technologically advanced formula contains special anti-wear/extreme pressure additives to protect critical engine components from extreme loads and peak temperatures generated by high-performance engines.
• RS delivers increased horsepower and torque, superior engine cleanliness, reduces wear on bearings, cams, lifters, crankshafts and extends engine life.
• The high zinc/phosphorous formula is engineered for use in flat tappet and roller element engines.
• Compatible with petroleum and synthetic engine oils.
• The oil does not require the addition of additives or boosters.
• Not recommended for street use.

SKU: 100 9911X