Wiseco Groove Lock Spacer 4.078-4.131inch Oil Rail Support Shelf Stock

Born over 80 years ago from the passion for racing, Wiseco is a world leader in manufacturing high-performance, forged pistons for the motorcycle, automotive, ATV, snowmobile, personal watercraft, and outboard marine markets. Wiseco Groove Lock Spacers are engineered, forged, and machined on cutting-edge equipment in the U.S. at Wiseco's Mentor, Ohio manufacturing facility.

Product Overview

Wiseco Groove Lock Spacer 4.078-4.131inch Oil Rail Support Shelf Stock

Important Note Regarding Oils, Additives, Aerosols & Liquids

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Product Details

Reference Information

Oil Rail Support, Dimpled, 4.076 in. up to 4.113 in. Bore, Each

Wiseco piston oil rail supports are effective in applications where the piston oil ring groove intersects the pinhole. They can be used only in pistons that have the groove machined 0.030 in. wider than the oil ring. They're manufactured from spring steel and install against the bottom sill of the oil ring groove. Available in different bore diameters to suit your specific engine's needs, Wiseco piston oil rail supports will keep your pistons working smoothly throughout the entire operating range.