Sierra Marine Prime Line Powersport Engine Oils

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Sierra Marine Prime Line Powersport engine oil is an off-road formulation suitable for ATV, UTV, and dirt bike applications. The high performance full synthetic blend is designed for use in wet clutch applications and air-cooled engines. It's formulated with premium performance additives to prevent rusting that's prevalent in recreation vehicles. Available in multiple weight/viscosities and volume sizes, the engine oil meets API SM and JASO MA specifications.