Piston Ring Set - 4.605 Bore .043 .043 3.0mm

The MAHLE PISTONS Piston Ring Set for 4.605 Bore, 0.043" x 0.043" x 3.0mm is a precision-engineered component designed for high-performance engine builds and heavy-duty applications. This piston ring kit delivers the compression control and blow-by management essential for engines operating under sustained load or elevated RPM conditions.

MAHLE's reputation in OEM and aftermarket piston technology translates directly into dependable ring performance across 8-cylinder configurations. The 0.043" compression and oil-control ring thicknesses paired with the 3.0mm radial depth are optimized for the 4.605" bore dimension, ensuring proper groove fit and minimal friction loss. These rings are constructed from high-strength steel, providing durability and maintaining sealing integrity under temperature cycling.

This piston ring set is engineered for engine builders, machine shops, and serious enthusiasts rebuilding naturally aspirated or moderately boosted applications. Whether you're restoring a classic performance engine, freshening a long-block for racing, or completing a displacement upgrade, proper ring selection determines compression stability, oil consumption, and ring life.