Spectro Heavy Duty Primary Chaincase Oil 1-qt. This sheer stable petroleum is designed to withstand the punishment of high loads, and contains special polymers to provide exceptional clutch engagement and temperature stability. Meets full OEM requirements, and should be used according to manufacturersÍ instructions. Formulated specifically for Harley¬ Sportster and Big Twin applications. Low drag, low friction loss SAE 85w viscosity helps eliminate clutch ñdragî and slipping.Sold by the case only.Case quantity = 12