MICHIGAN 77 315-0034.030 Performance Piston Ring Set 4.030" Bore Plasma Moly

The MICHIGAN 77 315-0034.030 is a high-performance piston ring set engineered for racing applications. This 8-cylinder ring kit features a 4.030 inch bore size (0.030" oversize) and is designed to fit popular small block racing engines including Chevy 302, 327, and 350 cubic inch engines, Chrysler 360 engines, and Ford 289 engines.

Key Features:

• 4.030 inch bore diameter with drop-in installation
• Ring thickness: 5/64" x 5/64" x 3/16" configuration
• Plasma moly face coating for superior wear resistance and reduced friction
• Standard tension design for reliable sealing
• 8-cylinder complete ring set
• Ductile iron construction with steel components
• Premium racing-grade materials for maximum durability

This professional-grade ring set delivers excellent combustion sealing while minimizing frictional losses to maximize horsepower output. The plasma moly coating provides exceptional durability under severe racing conditions and helps reduce break-in time. Each set includes top compression rings, second compression rings, and oil control rings for one complete 8-cylinder engine.