MAHLE 42282CP.030 Engine Piston Ring Set Oversize - 030

The MAHLE 42282CP.030 is a precision-engineered engine piston ring set designed to restore proper cylinder sealing, compression, and oil control in worn or rebuilt engines. Manufactured by MAHLE, a globally recognized leader in engine components and filtration, this ring set is produced to OEM-level standards for reliable performance and long service life.

The .030 designation indicates these rings are sized 0.030 inches over standard bore diameter, making them the correct choice for engines that have been bored 30 thousandths of an inch oversize during rebuilding. Proper ring-to-bore fitment is critical for achieving correct ring seal, minimizing blow-by, and ensuring optimal engine efficiency.

Key Features:

• Manufactured by MAHLE to OEM-quality tolerances
• .030" oversize for use in bored/rebuilt engine applications
• Full ring set typically includes top compression ring, second compression ring, and oil control ring assembly per cylinder
• Precision surface finish promotes faster break-in and reduced wear
• Engineered for correct end gap, radial depth, and ring tension specific to the application
• Restores compression sealing and oil control in rebuilt engines
• Durable materials resist wear, heat, and chemical degradation

MAHLE is a trusted OEM supplier to major automotive manufacturers worldwide, and their replacement piston ring sets meet or exceed original equipment specifications. This ring set is an ideal choice for engine rebuilders and professional mechanics seeking a quality component for a reliable, long-lasting engine rebuild.