MAHLE 42267CP.030 Engine Piston Ring Set Oversize - 0.030

The MAHLE 42267CP.030 is a premium engine piston ring set engineered to +0.030" (0.762mm) oversize specifications, designed for use during engine rebuilds where cylinder bores have been machined or honed to the first oversize. MAHLE Original piston rings are manufactured to exacting OEM-equivalent tolerances, ensuring proper cylinder sealing, oil control, and long-term engine performance.

Key Features:

• +0.030" Oversize — engineered for bores honed 0.030" over the standard diameter
• Complete ring set includes compression rings and oil control ring assembly per cylinder
• Manufactured to OEM tolerances for proper end gap, radial depth, and ring tension
• High-quality base materials with precision surface treatments for fast seating and durability
• Designed to restore proper compression, minimize blow-by, and control oil consumption
• MAHLE Original quality — a globally trusted OEM and aftermarket supplier

MAHLE is a world-leading supplier of engine components to original equipment manufacturers and the professional aftermarket. Their piston ring sets undergo rigorous quality control to meet or exceed factory specifications, making them a trusted choice for engine machine shops and professional rebuilders. The CP designation in the part number identifies this as part of MAHLE's cast/ductile iron or coated performance ring line, built for reliable, long-service performance in rebuilt engines.