POLARIS OIL CHANGE KIT , PS-4 5W-50 FULL SYNTHETIC OIL - 2890882Full Synthetic Formula: High grade oil ensuring peak engine protection and durability. Custom Additive System: Reduces deposits, resists oxidation, and prevents rust corrosion. Wide Temperature Protection: Supports operations from 40F to 100F with 5W 50 viscosity. PS 4 Reliability: Engineered for Polaris powersports engines to meet extreme performance demands. DIY Kit: Complete solution with 4. 5 quarts of oil and an oil filter for easy oil changes.