MAHLE 42308CP Engine Piston Ring Set

The MAHLE 42308CP is a premium piston ring set engineered for optimal engine performance and longevity. As one of the world's largest OE piston ring manufacturers, MAHLE delivers industry-leading technology designed to meet strict original equipment requirements.

Advanced Design Features:

• SAE 9254 high alloy steel base material provides superior tensile strength and extended fatigue resistance
• Cast iron or ductile cast iron upper compression rings with positive twist and barrel face for instantaneous break-in
• Top ring thickness: 0.0469 inches; Second ring thickness: 0.0469 inches; Oil ring thickness: 0.0787 inches
• Bore diameter: 3.9173 inches
• CP-20 oil rings feature an exclusive 20-degree ear angle for optimal side seal in the piston oil ring groove
• Stainless steel assembly material with carbon steel top and second rings
• Shallow groove oil ring design for improved oil control

Performance Benefits:

• Reduces friction and ring mass for improved efficiency
• Minimizes engine oil consumption
• Superior combustion gas management and top ring stability
• Extended service life and durability
• Designed with OE form, fit, and function for reliable installation

Premium series coatings may include cast iron chrome, plasma moly, ductile iron chrome, gas nitride stainless steel, HV385 thermal spray, and PVD coatings. Each MAHLE piston ring set is backed by a 1-year limited warranty and comes in a box of 12 rings (UPC: 27067986450).