MAHLE 42281CP.040 Engine Piston Ring Set Oversize - 0.040

The MAHLE 42281CP.040 is a professional-grade engine piston ring set manufactured to OEM specifications and designed for engine rebuilding and overhaul applications. This set is sized at +0.040" oversize, making it the correct choice for cylinder bores that have been machine-bored or honed 0.040 inches over the standard diameter to restore proper fit and compression.

MAHLE is a globally recognized OEM supplier trusted by original equipment manufacturers worldwide. Their piston rings are engineered to meet or exceed factory tolerances, ensuring reliable sealing, proper oil control, and long service life after installation.

Key Features:

• 0.040" Oversize (CP.040) — engineered for rebored or re-sleeved cylinders at the standard 0.040" overbore
• OEM-quality materials with precision surface coatings for enhanced wear resistance and durability
• Includes compression rings and oil control ring assembly for a complete ring pack per cylinder
• Meets or exceeds original equipment specifications for compression, blow-by control, and oil consumption
• Manufactured by MAHLE, a Tier-1 global OEM supplier to major automotive and powersports manufacturers
• Designed for professional engine rebuild applications requiring tight tolerances and consistent performance

The MAHLE 42281CP.040 piston ring set is the dependable choice for engine builders and professional technicians performing a quality overhaul. Always verify cylinder bore diameter with a bore gauge prior to installation to confirm the correct oversize ring set is selected.