NPR Piston Rings 20-GNHD4090K8 Performance V8 Piston Ring Set

The NPR Piston Rings 20-GNHD4090K8 is a piston ring set for American V8 engines with a 4.090-inch bore. Designed as part of NPR’s American V8 Engine Ring Series, this kit supports applications requiring a 1.5 x 1.5 x 3.0 mm ring configuration.

This set uses steel piston rings with a nitride finish and standard tension. The ring design includes a 1.5 mm top ring, a 1.5 mm second ring, and a 3.0 mm oil ring, providing the specified configuration for compatible V8 engine applications.

The kit is intended for 8-cylinder engines and is supplied as a complete piston ring set. Verify the engine application, bore size, ring configuration, and tension requirements before installation.

Features:

• Application: American V8 engine ring series
• Engine Type: 8-cylinder
• Bore Size: 4.090 inches
• Ring Configuration: 1.5 x 1.5 x 3.0 mm
• Tension: Standard tension
• Material: Steel
• Finish: Nitride
• Product Type: Piston ring set