Mahle 42083CP Engine Piston Ring Set

Mahle 42083CP Piston Ring Set

Mahle 42083CP is a premium engine piston ring set built for OE-style performance in select Chevrolet applications. It combines a plasma-moly top ring face, carbon steel top ring material, and ductile iron second ring material to support controlled sealing, reduced friction, and lower oil consumption.

Compatible with 2006-2013 Chevrolet Corvette and 2014-2015 Chevrolet Camaro applications listed below, this Mahle piston ring set is sized for standard bore service and shallow groove pistons. The 42083CP part number is a direct reference for buyers searching for a Mahle 42083CP piston ring set for Chevrolet Corvette or Camaro engine rebuild work.

Key Features

• Mahle premium engine piston ring set for cylinder block service
• Standard piston ring oversize for standard bore applications
• 4.1252 in bore diameter
• Plasma-moly face coating on the top ring for wear resistance
• Carbon steel top ring material for stable sealing performance
• Ductile iron second ring material for consistent oil control
• GNS oil ring assembly material with 0.0787 in axial height
• Shallow groove size specification
• Part number 42083CP for catalog and rebuild matching

Detailed Description

Mahle 42083CP is engineered for engine rebuilds that require accurate ring fitment, dependable cylinder sealing, and controlled oil management. The ring package uses a plasma-moly coated top ring, a ductile iron second ring, and a GNS oil ring assembly to support the sealing demands of performance and street-driven engines. With a 4.1252-inch bore diameter and standard oversize designation, this set is intended for standard bore applications that call for shallow groove piston ring dimensions.

This part cross-references Hastings Piston Rings 2M5129 for the same application. Buyers searching for Mahle 42083CP, Chevrolet Corvette piston ring set, or Chevrolet Camaro piston ring set will find this part listed for 2006-2013 Corvette and 2014-2015 Camaro fitments.

What It Helps Address

• Excessive oil consumption from worn or tired rings
• Loss of cylinder sealing during engine rebuilds
• Compression leakage that affects starting and power delivery
• Ring wear from high-mileage or rebuilt engines
• Oil control issues in shallow groove piston applications

Installation Notes and Tips

Verify bore diameter, ring groove dimensions, and piston specifications before installation. Confirm that the engine uses shallow groove ring dimensions and standard bore sizing. Clean the ring lands thoroughly, check end gaps to the engine builder’s specifications, and follow the piston and ring manufacturer’s installation procedures during assembly.

• Fits 2006-2013 Chevrolet Corvette, N/A; Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Ductile Iron; OCR-Stainless Steel; Facing UCR-Plasma-Moly; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.0mm; Ring Type UCR:RF-13PFD; LCR:THM-18; OCR: CP-20; Shallow Groove
• Fits 2014-2015 Chevrolet Camaro, N/A; Size Standard; Material Grade Premium; Material UCR-Carbon Steel; LCR-Ductile Iron; OCR-Stainless Steel; Facing UCR-Plasma-Moly; OCR-Chrome; Axial Height UCR-1.2mm; LCR-1.2mm; OCR-2.0mm; Ring Type UCR:RF-13PFD; LCR:THM-18; OCR: CP-20; Shallow Groove

Quality Assurance

Mahle designs piston rings to meet OE-driven requirements for reduced friction, lower ring mass, and longer service life. The 42083CP reflects that engineering approach with premium materials and coatings selected for engine sealing and oil control in rebuild applications.