NPR SWC10025-3 Piston Ring Set Chrysler 3.6L Pentastar V6 +0.030 Oversize

The NPR SWC10025-3 is a complete piston ring set engineered for the Chrysler Pentastar 3.6L V6 engine, manufactured to a +0.030" (0.75mm) oversize specification for use during engine rebuilds where cylinders have been bored oversize. This set delivers OEM-level fit and performance, engineered by NPR (Nippon Piston Ring), a globally recognized supplier to original equipment manufacturers.

Key Features:

• Designed for the Chrysler/Dodge/Jeep 3.6L Pentastar V6 engine family
• +0.030" oversize bore specification — ideal for bored or honed engine rebuilds
• 96mm outer diameter with 1.2mm / 1.2mm / 2.0mm ring profile dimensions
• Full engine set includes compression and oil control rings for all cylinders
• Surface treatments including chrome plating and/or nitriding for enhanced wear resistance and durability
• Manufactured to JIS (Japanese Industrial Standard) B8032-6-1998
• Backed by NPR's 5-year / 60,000-mile warranty when sold and installed as a set

NPR piston rings provide four critical functions in the combustion chamber: gas sealing, oil control, heat conduction, and bearing support. NPR's steel ring designs offer reduced oil consumption, minimized blow-by, and a longer service life compared to traditional cast iron rings. Each set is the result of rigorous bench and on-engine testing conducted in cooperation with the original engine manufacturer to ensure a precise match to factory specifications.