Speedmaster PCE306.1054 4.310" Bore 1.5-1.5-3mm Plasma Moly Piston Ring Set Zero Gap

The Speedmaster PCE306.1054 is a premium piston ring set designed for high-performance 4.310" bore engines. This zero-gap plasma moly piston ring set features a proven 1.5-1.5-3mm ring configuration that delivers superior sealing and durability in racing and performance engine builds. The plasma moly coating provides excellent wear resistance and reduces friction for maximum power output and longevity.

This ring set is ideal for serious engine builders and performance enthusiasts who demand reliable compression sealing and minimal blowby in competitive or demanding applications. The zero-gap design ensures consistent ring-to-ring geometry throughout the power band, while the premium plasma moly material handles high RPM and elevated temperature conditions with exceptional durability. Compatible with standard 4.310" bore engine blocks, this set delivers the precision and performance characteristics required for professional-grade engine assembly.

Key Features & Benefits

• Plasma Moly Coating: Premium plasma moly surface treatment provides superior wear resistance and friction reduction for extended ring life.
• Zero Gap Design: Precisely manufactured zero-gap ring set maintains consistent geometry and optimal compression sealing.
• 1.5-1.5-3mm Configuration: Proven ring thickness dimensions optimized for 4.310" bore engines deliver reliable sealing performance.
• High-Performance Application: Built for racing and serious performance engine builds requiring maximum durability at high RPM.

Specifications

Ideal Applications

• High-performance racing engine builds
• Street rod and custom engine assembly
• Competition engine applications
• Performance rebuild and restoration projects