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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Speedmaster has already done the work for you
1966-72 (1973 non-CA) passenger cars
The next level of performance are these cast-iron Chevy LS blocks
barrel-shaped
4.290" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Speedmaster has already done theThese Speedmaster piston oil ring spacers are used in applications where the piston oil ring groove intersects the pinhole. Speedmaster piston oil ring spacers are 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, the Speedmaster piston oil ring spacers will keep your pistons working smoothly throughout the entire operating range.
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