Bel-Ray Thumper Racing Synthetic Blend 4-Stroke Motor Oil #104340-P injector sand and other contaminates

sand and other contaminates

Approved and safe for use in most racing series’

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

valve covers

Bel-Ray Thumper Racing Synthetic Blend 4-Stroke Motor Oil #104340-P injector sand and other contaminatesBel 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