Heavy Duty Primary Chaincase / Transmission Fluid by Spectro.

This shear-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 manufacturers instructions. Formulated specifically for V-Twin motorcycles, Harley-Davidson Primary Chaincases and Sportster Transmissions. Exceeds all known manufacturer’s warranty specifications.

• Provides smooth, quiet shifting
• Outperforms ATF fluids and motor oils
• Low drag, low friction loss SAE 85w viscosity eliminates clutch drag and slipping
• Recommended for wet-clutch transmissions and cases where an SAE 20w40, 10w40 or an SAE 85w gear oil is recommended by the manufacturer