Speedmaster 4.310" Bore Piston Oil Ring Rail Spacer Support 0.030" Set of 8 PCE308.1006

The Speedmaster 4.310" Bore Piston Oil Ring Rail Spacer Support is a precision engine component designed for high-performance and racing applications. This 8-piece set features 0.030" thick spacer supports that maintain proper oil ring rail clearance and alignment within the piston ring groove, ensuring optimal ring seating and oil control during engine operation.

Essential for rebuilding or upgrading piston assemblies, these oil ring spacer supports help reduce blow-by and improve ring longevity by providing the correct spacing between oil ring rails. The PCE308.1006 set is engineered for engines with a 4.310" bore specification, making it a critical wear item for street performance, racing, and restoration builds. Proper installation of these spacers supports consistent oil distribution and extends overall engine durability.

Key Features & Benefits

• 4.310" Bore Specification: Sized specifically for 4.310" bore engines with precise fitment.
• 0.030" Thickness: Engineered spacing ensures correct oil ring rail clearance and alignment.
• Eight-Piece Set: Complete set of eight spacer supports for a full piston application.
• Oil Ring Control: Maintains proper ring rail separation to reduce blow-by and improve oil management.
• Engine Rebuild Essential: Critical component for high-performance and racing engine rebuilds.

Specifications

Ideal Applications

• High-performance engine rebuilds requiring precise oil ring control
• Racing engine builds with demanding ring seating requirements
• Piston assembly restoration on 4.310" bore engines
• Performance upgrades to reduce blow-by and improve oil management