MAHLE 42033CP.020 Engine Piston Ring Set Oversize - 0.020

The MAHLE 42033CP.020 is a premium oversize engine piston ring set engineered to OEM-equivalent specifications, designed to restore compression, reduce blow-by, and control oil consumption during engine rebuilds. Built with 0.020" (0.508mm) oversize dimensions, this set is intended for use with bored cylinders requiring the corresponding oversize fit.

MAHLE is the world's largest manufacturer of piston rings, supplying original equipment to the majority of major engine producers globally. The 42033CP.020 carries forward that OEM-grade engineering into the aftermarket, delivering a direct-fit solution for professional rebuilders and technicians.

Key Features:

• CP-20 Oil Ring Assembly — Features a 20-degree ear angle for superior side sealing against the cylinder wall, along with a specially chemically polished expander for enhanced oil drain-back
• Premium Multi-Material Construction — Upper compression ring (UCR) in cast iron with plasma-moly facing; lower compression ring (LCR) in cast iron; oil control ring (OCR) in stainless steel with chrome facing
• Precision Ring Heights — UCR: 1.5mm axial height; LCR: 1.5mm axial height; OCR: 4.0mm axial height
• 0.020" Oversize — Designed for use in engines that have been bored 0.020" over standard to correct cylinder wear
• OEM-Level Quality — Manufactured to the same standards as original equipment rings supplied to engine producers worldwide
• Restores Engine Performance — Rebuilds combustion chamber sealing, reduces oil consumption, and minimizes blow-by for like-new engine output

The MAHLE 42033CP.020 piston ring set is the trusted choice of professional engine builders seeking OEM-quality components for reliable, long-lasting engine rebuilds.