The Speedmaster 4.560" Bore Piston Oil Ring Rail Spacer Support (PCE308.1012) is a precision engine component designed for high-performance piston ring assembly applications. This set of eight spacer supports features a 0.030" thickness and is engineered to maintain proper oil ring spacing and control within the piston groove, ensuring optimal ring sealing and oil management during engine operation.
These piston oil ring rail spacer supports are essential for custom engine builds, high-performance rebuilds, and racing applications where precise ring positioning is critical. The consistent 4.560" bore specification ensures compatibility with matching piston and ring assemblies in this displacement range. Manufactured by Speedmaster, a trusted supplier of engine components, these spacers deliver the precision tolerances required for reliable ring function and extended engine life in demanding driving conditions.
Key Features & Benefits
- 4.560" Bore Size: Designed specifically for pistons with a 4.560" bore diameter for proper fitment and ring alignment.
- 0.030" Thickness: Precision thickness specification ensures accurate oil ring rail spacing within the piston groove.
- Set of Eight: Complete set of eight spacer supports provides enough components for a full piston ring assembly package.
- Oil Ring Application: Engineered specifically for oil ring rail support and spacing to control oil consumption and ring sealing.
- Precision Manufactured: Speedmaster engineering delivers tight tolerances critical for high-performance engine applications.
Specifications
| Brand | Speedmaster |
| Model/MPN | PCE308.1012 |
| Bore Size | 4.560" |
| Thickness | 0.030" |
| Quantity | Set of 8 |
| Application | Piston Oil Ring Rail Spacer Support |
Ideal Applications
- Custom performance engine builds requiring precise ring spacing
- High-performance engine rebuilds and racing applications
- Piston assemblies in 4.560" bore diameter engine builds
- Professional engine machine shops and racing facilities