Wiseco GROOVE LOCK SPACER 4.002 - 4.060inch Oil Rail Support Shelf Stock

Wiseco offers a range of performance accessories to help you get your performance rebuild done right, including ring compressors, chamber mold kits, piston components, and more.

Additional Information

3.970 - 4.029 Groove Lock Spacer, .200 Radial Wall

Part Type

Engine Piston Ring

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Product Details

Reference Information

Oil Rail Support, Dimpled, 3.970 in. up to 4.029 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.