main image Yamalube 10W-40 GP Racing Full Synthetic (RS4GP)
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Yamalube 10W-40 GP Racing Full Synthetic (RS4GP)

GP Racing Spec (RS4GP) is Yamalube's race-inspired synthetic flagship oil for on and off road.



  • Based on MotoGP technology - designed for high-performance on & off-road racing applications
  • Blended with advanced additives to maximize engine power and enhance overall clutch/ shifting performance
  • Extreme anti-wear-frictional properties (for superior performance while minimizing overall power loss)
  • High thermal resistance in extreme racing and other severe environments
  • Modern balanced formulation designed to maximize the durability of today’s advanced high-performance engine parts
  • 10W-40, JASO MA2, API SL

Note: Price per bottle displayed. One quart bottle sold in case pack of 12.