MAHLE 41915CP.020 Premium Plasma-Moly Piston Ring Set 3.504 in. Bore V6 .020 Over

The MAHLE 41915CP.020 is a premium plasma-moly piston ring set designed for V6 engines with a 3.504-inch bore at .020-inch oversize. Engineered to OE form, fit, and function, this ring set delivers the highest quality replacement available for engine rebuilds and overhauls.

Key Features:

• SAE 9254 High-Alloy Steel Construction: Provides superior tensile and yield strength, extended fatigue resistance, and increased material hardness compared to standard ring materials
• Pre-Lapped for Immediate Seating: Rings are pre-lapped at the factory to seat immediately upon installation, virtually eliminating traditional break-in time
• Barrel-Faced Compression Rings: Top compression rings feature a barrel-faced contact area with CNC-controlled gap chamfer for optimized compression and reduced blowby
• Reverse Twist Second Rings (Napier Design): Intermediate rings feature a reverse twist design for superior groove side sealing and taper-race machining to enhance wall contact and oil control
• CP-20 Oil Ring Assembly: Exclusive 20-degree ear angle provides the best possible side seal against the cylinder wall in the oil ring groove; chemical polish on the expander enhances oil drainback
• Optimized Ring Materials and Tension: Coatings and ring tension are application-specific to reduce friction and extend service life
• Sold as a Complete Set: Includes all rings for the full V6 engine (6 cylinder sets)

MAHLE is one of the world's largest OE piston ring manufacturers, supplying rings to major vehicle manufacturers globally. MAHLE Original replacement ring sets are built to the same exacting standards as OE components, making them the preferred choice for professional engine builders seeking reduced friction, minimized oil consumption, and long-term durability.