MAHLE 42281CP.010 Engine Piston Ring Set - 0.010 in. Oversize

The MAHLE 42281CP.010 is a premium oversize engine piston ring set engineered to meet and exceed original equipment (OE) standards. With a 0.010-inch oversize designation, this ring set is designed for engines that have been bored or honed to the first standard oversize, making it an ideal choice for engine rebuilds and overhauls.

Key Features:

• Pre-lapped design allows rings to seat immediately upon installation, virtually eliminating traditional break-in time
• Barrel-faced compression ring contact area promotes more efficient compression sealing and reduces blow-by
• CNC-controlled gap chamfer on compression rings optimizes compression retention and minimizes combustion gas leakage
• Reverse-twist intermediate ring design provides superior groove side sealing for improved oil control
• Taper-face machining on the second ring enhances cylinder wall contact and sealing
• CP-20 oil ring assembly features an exclusive 20-degree ear angle for maximum side sealing against the cylinder wall
• Chemically polished oil ring expander ensures enhanced oil drain-back performance
• Ring materials, coatings, and tension levels are application-optimized to minimize friction, reduce ring mass, and extend service life
• Manufactured to OE specifications for a reliable, long-lasting engine rebuild

MAHLE is a globally recognized leader in engine components, supplying OE-quality parts to major automotive manufacturers worldwide. The 42281CP.010 piston ring set reflects MAHLE's commitment to advanced piston ring technology, offering professional engine builders and rebuilders a precise, installer-friendly solution that delivers consistent performance and durability.