NPR Piston Rings 20-GNHD4090K8 Performance V8 Engine Ring Set for 4.090 Inch Bore

The NPR Piston Rings 20-GNHD4090K8 performance piston ring set is designed for American V8 engines with a 4.090-inch bore. This kit includes rings with a thickness of 1.5 mm on the top and second compression rings, and a 3.0 mm oil ring, providing a reliable seal and optimal engine performance. Crafted from high-quality steel and treated with a nitride finish, these rings offer excellent wear resistance and durability for demanding applications. The standard tension design ensures proper compression and engine efficiency, making this set suitable for both rebuilds and performance upgrades. Compatible with a variety of V8 engine configurations, these piston rings help maintain compression, reduce blow-by, and improve overall engine longevity. Installation requires precise fitting, and proper break-in procedures are recommended to maximize performance and lifespan. Engine rebuilds and restorations benefit from these high-quality rings, which are engineered to meet or exceed OEM standards. Whether restoring a classic muscle car or building a high-performance engine, the NPR piston ring set provides a dependable solution for enhanced engine operation.

Features:

• Designed for American V8 engines with a 4.090-inch bore

• Includes top, second, and oil rings for comprehensive sealing

• Constructed from durable steel with nitride finish for wear resistance

• Standard tension design for reliable compression

• Optimized for engine rebuilds and performance upgrades