MAHLE 42112CP.040 Chrome Plus Engine Piston Ring Set 0.040 Over

The MAHLE 42112CP.040 is a Chrome Plus (CP) engine piston ring set engineered to deliver superior sealing performance and extended service life. Designed as a 0.040" overbore replacement, this ring set is ideal for engine rebuilds and overhaul applications where the cylinder bore has been machined to 0.040" over the standard specification.

MAHLE's Chrome Plus ring sets feature a hard chrome-plated top ring that provides excellent wear resistance and outstanding performance in high-heat, high-stress engine environments. MAHLE is one of the world's leading OEM and aftermarket engine component manufacturers, supplying piston rings to major automotive and powersports OEMs globally.

Key Features:

• Chrome Plus (CP) coating on the top compression ring for superior wear resistance
• 0.040" overbore sizing for use with machined or honed cylinder bores
• Precision-manufactured to OEM tolerances for proper ring end gap and tension
• Optimized ring geometry for reduced oil consumption and improved compression sealing
• High-quality cast iron and steel construction for long service life
• Complete set includes top compression ring, second compression ring, and oil control ring assembly

MAHLE piston ring sets are a trusted choice for professional engine builders and rebuilders seeking OEM-quality components. The 42112CP.040 is manufactured to meet or exceed original equipment specifications, ensuring a reliable, long-lasting engine rebuild.