Speedmaster 4.500" Bore Piston Oil Ring Rail Spacer Support 0.030" Thick Set of 8 PCE308.1009

The Speedmaster PCE308.1009 is a premium piston oil ring rail spacer support designed for high-performance engine builds. This critical component maintains proper oil ring spacing and support within the piston groove, ensuring optimal oil control and ring stability during engine operation. Each set includes 8 precisely manufactured spacers with 0.030" thickness, engineered to strict tolerances for the 4.500" bore application.

These piston oil ring rail spacers are essential for maintaining consistent oil film thickness and preventing ring flutter or excessive oil consumption. The precision construction ensures reliable fitment and performance in both street and racing applications. Used by engine builders and enthusiasts who demand dependable compression and oil control, these spacer supports deliver the quality and consistency required for long-term engine durability and optimal power delivery.

Key Features & Benefits

• 4.500" Bore Size: Precisely engineered for 4.500" bore piston applications with exact dimensional accuracy.
• 0.030" Thickness: Maintains proper oil ring groove spacing and support with consistent 0.030" gauge construction.
• Set of 8 Units: Complete set includes eight spacer supports for a full engine build or rebuild application.
• Precision Manufacturing: Speedmaster delivers tight tolerances and reliable performance for engine building and racing.

Specifications

Ideal Applications

• Engine rebuilds and overhauls requiring proper oil ring support
• High-performance engine builds and racing applications
• Custom engine assembly where oil ring control is critical
• Restoration of performance engines requiring OEM-equivalent components