MAHLE 41931CP.030 Engine Piston Ring Set Oversize - 0.030

The MAHLE 41931CP.030 is a complete engine piston ring set engineered for a +0.030" oversize bore application, making it ideal for use during engine rebuilds and cylinder bore restorations where standard bore dimensions have been machined oversize. MAHLE is a globally recognized OEM supplier trusted by major automotive manufacturers, and their aftermarket ring sets are manufactured to the same exacting standards as original equipment components.

Key Features:

• Designed for +0.030" (0.762mm) oversize cylinder bore applications
• Manufactured by MAHLE, a premier OEM-level engine component supplier
• Engineered to restore proper cylinder sealing, oil control, and compression
• Precision-ground ring faces for optimal break-in and long service life
• Includes compression rings and oil control ring assembly for a complete installation
• Meets or exceeds OEM specifications for fit, form, and function
• Suitable for engine overhaul and performance rebuild applications

MAHLE piston ring sets are produced using high-quality cast iron and steel alloys with advanced surface coatings where applicable, ensuring durability and reliable sealing performance. The .030 oversize designation makes this set the correct choice when cylinders have been bored or honed to the first standard oversize during a rebuild. Always verify bore size with a precision bore gauge prior to installation.