NPR Piston Rings 20-GNHD3937K8 Performance Piston Ring Set for V8 Engines, 3.937 Inch Bore, 1.5 x 1.5 x 3.0 mm Thickness, Steel, Nitride Finish

The NPR Piston Rings 20-GNHD3937K8 Performance Piston Ring Set is designed for V8 engines requiring a 3.937-inch bore. Crafted from high-quality steel with a nitride finish, these rings offer durability, corrosion resistance, and optimal sealing. The set features standard tension rings with a thickness of 1.5 x 1.5 x 3.0 mm, ensuring reliable compression and oil control in high-performance applications. These piston rings are suitable for rebuilds, restorations, or performance upgrades, providing consistent operation under demanding conditions. Each kit includes all necessary rings to restore engine compression and efficiency, fitting a wide range of American V8 engine configurations. Engineered for precision and longevity, the NPR Piston Rings are trusted by professionals and enthusiasts alike for their quality and performance. Proper installation and compatibility with your engine specifications are essential to maximize their benefits and ensure optimal engine function.

Features:

• Designed for V8 engines with 3.937-inch bore diameter

• Constructed from high-grade steel with nitride coating for durability

• Standard tension piston rings for reliable compression and oil control

• Ring thickness: 1.5 x 1.5 x 3.0 mm

• Suitable for performance, rebuilds, and restoration projects

• Includes complete set of piston rings for engine sealing and efficiency

• Engineered for longevity and consistent operation under high stress