MAHLE 40276CP.040 Engine Piston Ring Set Oversize - 0.040

The MAHLE 40276CP.040 is a professional-grade engine piston ring set engineered to OEM specifications for reliable performance in rebuilt or bored engine applications. Sized at 0.040" (1.00mm) over standard bore, this ring set is designed for use during engine overhaul when cylinders have been bored to restore proper clearances and surface finish.

MAHLE is a globally recognized OEM supplier trusted by major automotive manufacturers, and their replacement ring sets deliver the same fit, finish, and material quality found in original factory assemblies. Precision manufacturing ensures consistent ring gap, tension, and seal integrity across all cylinders.

Key Features:

• 0.040" Oversize — engineered for cylinders bored 0.040" over standard for proper fitment after machine work
• OEM-quality materials — rings manufactured to meet or exceed original equipment specifications
• Precision ring geometry — consistent radial wall thickness and face profiles for optimal cylinder seal
• Complete set — includes compression rings and oil control rings for a full cylinder complement
• MAHLE OEM heritage — sourced from a Tier-1 supplier to major global vehicle manufacturers
• Designed for engine rebuild applications — ideal for use with MAHLE or compatible oversize pistons

The MAHLE 40276CP.040 piston ring set is the correct choice for professional engine rebuilders and performance enthusiasts seeking factory-level quality in an oversize specification. Always verify cylinder bore diameter and surface finish prior to installation to ensure optimal ring seal and long service life.