NPR SWM31071-4 Piston Ring Set for Mitsubishi 4G63 2.0L Engine Standard Bore

The NPR SWM31071-4 is a complete standard bore piston ring set designed for Mitsubishi 4G63 and 4G63K 2.0L DOHC engines. Manufactured by Nippon Piston Ring Co., Ltd., a trusted Japanese OE supplier, this high-quality ring set delivers exceptional performance and durability for engine rebuilds and restorations.

Key Specifications:

• Bore Size: 85.0mm (3.346 inches) - Standard
• Ring Configuration: 1.2mm x 1.5mm x 3.0mm
• Complete set for 4 cylinders (1997cc displacement)
• Advanced surface treatments: Gas Nitrided top ring, Chrome second ring, and Soft Nitrided oil ring
• OEM Reference Numbers: MD195850, MD176437, MD195867

Application:

• 1993-1994 Mitsubishi Eclipse 2.0L DOHC 4G63
• Compatible with 7-bolt 4G63 engine variants
• Fits various Mitsubishi models including Galant, Eterna, and Chariot

NPR piston rings are precision-engineered with cutting-edge technology to minimize friction, reduce wear, and maximize engine protection. The advanced surface treatments ensure exceptional heat resistance and durability even under demanding conditions, making this an ideal choice for both street and performance applications.