Speedmaster PCE306.1062 4.600" Bore Plasma Moly Piston Ring Set - Zero Gap

The Speedmaster PCE306.1062 is a 4.600-inch bore piston ring set engineered for high-performance engine applications. Manufactured with plasma moly coating technology, these rings deliver superior wear resistance and reduced friction for demanding engine builds. The zero-gap design ensures precise ring fit and optimal compression sealing, making this set ideal for performance engines where reliability and durability are critical.

This piston ring set features a precise 1.5-1.5-3mm ring thickness configuration, optimized for engines requiring strict bore specifications. Plasma moly coating provides excellent heat dissipation and protection against scuffing, extending ring life under sustained high temperatures and RPM conditions. Compatible with 4.600-inch bore blocks, this set is suitable for street performance, racing, and engine restoration projects where quality compression rings are essential.

Key Features & Benefits

• Plasma Moly Coating: Advanced surface treatment provides superior wear resistance and reduced friction for extended ring life.
• Zero Gap Design: Precision-engineered zero-gap construction ensures tight compression sealing and optimal engine performance.
• 4.600" Bore Specification: Designed specifically for 4.600-inch bore engines with exact fitment and performance characteristics.
• High-Performance Configuration: 1.5-1.5-3mm ring thickness rated for high-RPM and high-temperature engine applications.

Specifications

Ideal Applications

• High-performance street and race engine rebuilds
• Engine restoration and overhauls for performance applications
• Custom engine builds requiring precision compression rings
• Small block engine upgrades and modifications