Bel-ray Thumper Synthetic Ester Blend 4t Engine Oil 15w-50 4l

Bel-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 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. meets api sm and jaso ma2 requirements. suitable for air-cooled/liquid-cooled 4-stroke engines and wet clutches. for use in all 4-stroke engines requiring an oil meeting the api sg / sh / sj / sl / sm standards. for use in all 4-stroke motorcycles with or without wet clutches including those specifying the use of a jaso ma / ma1 / ma2 qualified oil. superior anti-wear - reduced cylinder and ring wear. longer bearing life. superior deposit control - cleans deposits, controls sludge and varnish formation. keeps ring lands and grooves free of carbon build-up. high viscosity stability - the shear stability provides superior lubrication and film strength. minimizes friction for maximum power. smooth power transfer - prevents clutch grabbing for an easily controlled and efficient gear shifting and clutch operation.