Speedmaster PCE308.1018 4.000"-4.060" Bore Piston Oil Ring Rail Spacer Support 0.030" Thick

The Speedmaster PCE308.1018 is a piston oil ring rail spacer support designed for engine blocks with 4.000" to 4.060" bore specifications. This 0.030" thick component is engineered to maintain proper spacing and support of the oil ring rail within the piston assembly, ensuring optimal oil control and ring stability during engine operation.

This precision spacer support is ideal for engine rebuilds, performance upgrades, and OEM replacements where maintaining exact bore clearances is critical. The graded thickness and bore range compatibility make it suitable for both stock and modified engine applications. Installation in the correct piston groove position ensures reliable ring performance and extended engine life.

Key Features & Benefits

• Precise Bore Range: Engineered for 4.000" to 4.060" bore engines with exact compatibility specifications.
• 0.030" Thickness: Graded thickness provides correct spacing support for oil ring rails.
• Engine Rebuild Ready: Ideal component for complete engine rebuilds and piston ring replacements.
• OEM Quality: Speedmaster precision engineering ensures reliable performance and durability.

Specifications

Ideal Applications

• Engine block rebuilds and machine shop applications
• Performance engine assembly and upgrades
• OEM piston ring replacement and restoration
• Racing and high-performance engine builds