Chemicals & Fluids › X4 Estorlin Synthetic 4-Stroke Snowmobile Oil Image 1 of 1 X4 Estorlin Synthetic 4-Stroke Snowmobile Oil $20.49 For use in 4-stroke stock and modified snowmobilesMeets and exceeds JASO MA2 (T903) 2016 and API SNSpecially formulated for cold weather starts at -48°Estorlin® technology extracts peak horsepowerIncreases torque for improved throttle responseDramatically reduces wear and maintenanceAdvanced lubricity system provides maximum protectionSuperior thermal transfer for reduced engine temps Quantity: Purchase Added! For use in 4-stroke stock and modified snowmobilesMeets and exceeds JASO MA2 (T903) 2016 and API SNSpecially formulated for cold weather starts at -48°Estorlin® technology extracts peak horsepowerIncreases torque for improved throttle responseDramatically reduces wear and maintenanceAdvanced lubricity system provides maximum protectionSuperior thermal transfer for reduced engine temps