NPR SDF30020-2 Piston Ring Set for Ford Power Stroke Diesel - 7.3L

The NPR SDF30020-2 is a complete piston ring set manufactured in Japan using premium steel materials, engineered specifically for 1994-2004 Ford 7.3L Diesel Turbo Power Stroke 16V engines. This precision-crafted ring set delivers superior engine protection, efficiency, and lasting durability in demanding diesel applications.

Key Specifications:

• Standard bore diameter: 104.40mm
• First compression ring: 3.00mm
• Second compression ring: 2.00mm
• Oil control ring: 3.50mm
• Manufactured by NPR (Nippon Piston Ring Co., Ltd.) in Japan

Performance Features:

• Premium steel construction for enhanced durability and heat resistance
• Advanced surface treatments including chrome plating and ferrox coating
• Minimizes friction and reduces wear on engine components
• Seals combustion gases effectively while controlling lubricating oil
• Excellent heat dissipation properties to protect piston and cylinder walls
• Designed to maintain integrity under severe diesel operating conditions

NPR has been supplying OEM manufacturers like Toyota and Lexus since 1973, bringing decades of engineering expertise to the automotive aftermarket. These piston rings undergo rigorous testing to ensure consistent performance and meet the demanding requirements of modern diesel engines. Cross-references Fel-Pro part number F81Z-6148-AA.