NPR Piston Rings 20-GNHD4120K8 Performance Piston Ring Set for V8 Engines, 4.120 Inch Bore, Steel, Nitride Finish

The NPR Piston Rings 20-GNHD4120K8 Performance Piston Ring Set is designed for V8 engines requiring a 4.120-inch bore diameter. Crafted from durable steel with a nitride finish, these rings provide excellent wear resistance and long-lasting performance. The set includes standard tension rings with dimensions of 1.5 mm and 3.0 mm thickness, ensuring a reliable seal and optimal compression within the engine cylinders. Suitable for high-performance applications, these piston rings help maintain engine efficiency and power output.

Constructed to meet or exceed OEM specifications, this kit is compatible with a range of American V8 engines. The performance-oriented design ensures consistent sealing, reduced blow-by, and improved engine longevity. Easy to install, these rings are an ideal choice for engine rebuilds, restorations, or upgrades where durability and precision are critical. Whether for professional engine builders or serious DIY enthusiasts, these piston rings offer reliable performance for demanding automotive applications.

Features:

• Designed for V8 engines with a 4.120-inch bore diameter

• Constructed from high-strength steel with a nitride finish for wear resistance

• Standard tension rings with 1.5 mm and 3.0 mm thickness

• Optimized for performance, durability, and reliable sealing

• Suitable for engine rebuilds, restorations, and high-performance applications