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Bel-Ray Thumper Racing Synthetic Ester Blend 4T Engine Oil

Item: 350521

$22.93 – $46.47

Bel-Ray Thumper Racing Synthetic Ester 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
Specification Details
Country of Origin USA
Size Varies (make selection above)
Viscosity Grade Varies (make selection above)

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