Product Description

What Is NPR?
Nippon Piston Ring Co., Ltd. (NPR) is a leading Japanese manufacturer of engine parts specialising in piston rings, valve seat inserts, and cylinder liners. Supplying major global vehicle manufacturers like Toyota, Honda, and Nissan, NPR is known for its precision engineering and commitment to performance, durability, and environmental efficiency.
What are the benefits of a NPR ring set?
- Durability and wear resistance thanks to advanced steel alloys and surface treatments
- Exceptional combustion sealing, improving engine performance and efficiency while reducing blow-by
- Reduced oil consumption and friction for better fuel efficiency
Features of your new NPR ring set:
- Made from high quality materials, they offer excellent tensile strength and extended fatigued life
- Engineered for tight tolerances to optimise sealing, lubrication and heat dissipation
- Made to meet OEM standards to ensure reliable performance and compatibility
Your new NPR ring set includes:
- Steel, Chromium plated top rings
- NPR Cast, Phosphated second rings
- Steel, Chromium plated oil rings
NPR Piston Ring Set To Suit F22A Engines
- 4x Top rings
- 4x Second Rings
- 4x Oil rings
STD Bore Diameter: 85mm
Ring Combination: 1 - 1.2mm / 2 - 1.2mm / 3 - 2.8mm

Shop Now for FAST Dispatch!
All Stocked Parts Ship Within 24 Hours. Purchase Before 11am for Same Day Dispatch.