The Speedmaster PCE308.1015 Piston Oil Ring Rail Spacer Supports are engineered for engines with a 4.000-inch bore diameter. At 0.030 inches thick, these spacers provide precise support between oil ring rails, helping to maintain proper ring tension and alignment within the ring groove for reliable engine sealing performance.
This set includes 8 pieces, supplying enough spacers for a typical engine build. Designed as a practical solution during engine assembly, these oil ring rail spacers are a quality Speedmaster component suited for rebuilders and performance engine builders working with 4.000-inch bore applications.
MPNPCE308.1015
UPC840136538400
