MAHLE 41286CP-030 OE Moly Piston Ring Set 0.030 Over Chrysler 2.2L 2.5L L4

The MAHLE 41286CP-030 is a premium-grade, plasma-moly piston ring set engineered for 4-cylinder Chrysler and Dodge engines. This 0.030-inch oversized set is built to OE specifications, delivering superior sealing, reduced oil consumption, and extended engine service life.

Ring Construction & Materials:

• Upper Compression Ring (UCR): Carbon steel with plasma-moly facing, RF-13PF ring type, 1.5mm axial height
• Lower Compression Ring (LCR): Carbon steel with THM-13 reverse-twist napier design, 1.5mm axial height
• Oil Control Ring (OCR): Stainless steel with chrome facing, CP-20 shallow groove design, 4.0mm axial height

Key Features:

• Plasma-moly upper compression ring for reduced friction and faster seating
• Barrel-faced compression ring contact area for more efficient cylinder sealing and reduced blow-by
• CNC-controlled gap chamfer on compression rings to optimize compression retention
• Reverse-twist intermediate ring design for enhanced groove side sealing and improved contact via taper race machining
• Exclusive CP-20 oil ring assembly with 20-degree ear angle for superior side sealing against the cylinder wall
• Special chemical polish on the oil ring expander for improved oil drain-back performance
• Pre-lapped finish for immediate seating, virtually eliminating traditional break-in time
• Premium material grade — UCR and LCR in carbon steel, OCR in stainless steel
• Size: 0.030-inch oversize
• Sold as a complete 4-cylinder set (4 sets of rings)

MAHLE is one of the world's largest OE piston ring manufacturers, and the 41286CP-030 reflects that expertise — engineered to meet or exceed original equipment standards for dependable, long-lasting engine performance.