Perf. Piston Ring Set V8 4.155 Bore 1.2x1.5x3.0

The NPR Performance Piston Ring Set V8 4.155 Bore 1.2x1.5x3.0 is essential for any serious V8 engine rebuild or upgrade project. This product is ideal for those restoring classic muscle cars, refreshing performance engines, or building high-horsepower applications. Quality piston rings are crucial for optimizing compression, controlling blow-by, and ensuring overall engine reliability.

This ring set features a 1.2 x 1.5 x 3.0 cross-section geometry, specifically designed for V8 engines with a 4.155-inch bore diameter. The three-piece ring pack includes a top compression ring, a second compression ring, and an oil control ring, all working together to seal combustion pressure and regulate oil flow. NPR's performance-grade construction utilizes high-quality materials to resist scuffing and maintain consistent ring gap, which is vital for high-RPM operation.

Engine builders, restoration specialists, and performance enthusiasts trust NPR rings for various applications, including stock displacement rebuilds and performance upgrades. The precise bore sizing ensures a proper fit, minimizing blow-by and maintaining the designed compression ratio. With these piston rings, you can expect your rebuilt engine to deliver peak power and reliability.