Experience superior performance with the SPECTRO Premium Chaincase HD 1 Qt, part number 310315, specifically formulated for Harley Davidson Sportster and Big Twin applications. This innovative chaincase fluid is designed to withstand the rigors of high loads while ensuring optimal clutch engagement and performance. With its special blend of polymers, it significantly reduces clutch drag and slippage, allowing for smoother operation and enhanced reliability. The SPECTRO Premium Chaincase fluid not only meets but exceeds all O.E.M. warranty requirements, making it a trusted choice for motorcycle enthusiasts. Its excellent temperature stability ensures that your bike operates smoothly under various riding conditions, extending the life of your chaincase. Upgrade your Harley Davidson today and feel the difference with SPECTRO Premium Chaincase HD! Features: * Designed to withstand the punishment of high loads * Contains special polymers to provide exceptional clutch engagement * Eliminates clutch drag and slippage by maintaining good temperature stability * Formulated for Harley Davidson Sportster and Big Twin applications * Exceeds all O.E.M. warranty requirements