Premium multi-grade petroleum motor oil for service departments for new and rebuilt engine run-in; formulated for 4-stroke motorcycle and other performance engines Designed for topping off, service fills, as well as new and rebuilt engine run-in Features Bel-RayÆs additive chemistry and high-viscosity index with low-volatility to provide premium engine protection Superior deposit control reduces sludge and varnish for cleaner, cooler running engines Equally suitable for air-cooled and liquid-cooled engines Minimizes deposit formation and reduces oil consumption Reliable all-season use. OIL SHOP 10W40 6GL