BENEFITS
Bel-Ray® Thumper Racing Synthetic Ester Blend 4T Engine Oil combines the finest quality synthetic esters and highly-refined mineral base oils specifically engineered for today’s 4-stroke single cylinder, multi-valve racing engines. Provides maximum anti-wear protection for valve-trains, rings, cylinders and pistons. Delivers maximum horsepower while providing consistent clutch performance. Suitable for air-cooled and liquid-cooled 4-stroke engines and wet clutches.
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