Bel Ray Thumper Racing Synthetic ESTER 10W-40 Blend 4T Engine Oil

Specifically engineered for 4-stroke single cylinder multi-valve racing engines Combines the finest quality synthetic esters and highly-refined mineral base oils Provides maximum anti-wear protection for valve-trains rings cylinders and pistons Delivers maximum horsepower Provides consistent clutch performance Meets or exceeds API SM and JASO MA2 requirements Also suitable for air-cooled/liquid-cooled 4-stroke engines and wet clutches Liter bottles 12 per case or 4-liter bottles 4 per case; sold each  4-CYCLE OIL