MAHLE 41441 Original Engine Piston Ring Set Chrome 3.150 in. Bore L4

The MAHLE 41441 Original Engine Piston Ring Set is a premium OE-quality replacement ring set engineered for 3.150-inch bore 4-cylinder engines. Featuring a chrome top ring, ring thicknesses of 1.2mm, 1.5mm, and 4.0mm, and sold as a complete 4-set package, this ring set delivers the precision and durability expected from one of the world's largest OE piston ring manufacturers.

Key Features:

• SAE 9254 High Alloy Steel Construction: Provides higher tensile and yield strength, extended fatigue resistance, and increased material hardness over standard ring materials
• Pre-Lapped for Immediate Seating: Virtually eliminates break-in time and simplifies installation for engine builders
• Barrel-Faced Top Compression Rings: Optimizes compression efficiency and features a CNC-controlled gap chamfer to reduce blow-by
• Reverse Twist Intermediate Rings: Designed for superior groove side sealing with taper race machining for enhanced cylinder wall contact
• CP-20 Oil Ring Assemblies: Exclusive 20-degree ear angle delivers the best possible side seal in the piston oil ring groove, while a special chemical polish on the expander enhances oil drain-back
• Napier Second Rings: SAE 9254 high alloy steel napier second rings provide superior oil control, improved combustion gas management, top ring stability, and reduced power loss
• OE Form, Fit, and Function: Designed to meet or exceed original equipment specifications
• Sold as 4 Complete Sets — one full set per cylinder for a 4-cylinder engine

MAHLE is a globally recognized leader in piston ring technology, driven by OE requirements focused on reducing friction and ring mass while minimizing engine oil consumption and extending service life. The MAHLE 41441 ring set is the trusted choice for professional engine rebuilders and DIY mechanics seeking factory-level quality.