Polaris 2873106 - SCL has been specially engineered by Polaris for maximum protection of high-speed, high temperature snowmobile chains and sprockets. Full synthetic, high-viscosity formula provides excellent film strength. Maximum protection of high-speed, high-temp chains & sprockets. Specialized low sulfur additive resists high temperature thermal break-down. Superior anti-wear and shock protection of chain pins. Protects chain case seal material. Excellent rust and oxidation protection. Polaris OEM 1 Gallon SCL Full Synthetic Oil Snowmobile Chaincase Lubricant Part# 2873106.