Bel-Ray Thumper Racing Synthetic Blend 4-Stroke Motor Oil #104340-P injector That’s easy—with top notch quality

That’s easy—with top notch quality and an unbeatable track record

Select sizes available in two different compounds

valve covers

look no further than GDP

You’ll feel the G’s like you never could before

Bel-Ray Thumper Racing Synthetic Blend 4-Stroke Motor Oil #104340-P injector That’s easy—with top notch qualityBel Ray Thumper Racing Synthetic Ester Blend 4T Engine Oil is a 4 stroke motorcycle racing oil that combines the finest quality synthetic esters and highly refined mineral base oils specifically engineered for todays 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