Rislone 710 High-Performance Oil Treatment, No. 4471

Rislone 710 High-Performance Oil Treatment, No. 4471, uses a high-viscosity formula that increases oil film thickness, building a thicker oil cushion that increases oil pressure to enable a worn engine to produce more power and run quieter. Rislone 710 works with all gasoline and diesel engines using conventional, high-mileage and synthetic oil.