Manley 46112ST-8 Piston Ring Set 4.020" Bore 1.5mm 1.5mm 3mm with Steel Top Ring

The Manley 46112ST-8 is a high-performance piston ring set engineered for 4.020-inch bore applications. This premium ring pack features a durable steel top compression ring designed to withstand extreme cylinder pressures and temperatures in performance and racing engines.

Key Specifications:

• Bore Size: 4.020 inches
• Top Ring: 1.5mm with steel construction for maximum durability
• Second Ring: 1.5mm compression ring
• Oil Ring: 3mm standard tension
• Designed for high-performance and racing applications

Manley piston rings are precision-manufactured to exacting tolerances, ensuring optimal ring seal, reduced blow-by, and consistent performance. The steel top ring provides superior wear resistance and heat dissipation compared to standard cast iron rings, making this set ideal for boosted, nitrous, or high-compression naturally aspirated engines. Each ring set is carefully crafted to deliver reliable performance under demanding operating conditions.