MAHLE 41731.020 Engine Piston Ring Set Over Standard Bore - 020

The MAHLE 41731.020 is a complete engine piston ring set engineered to OEM specifications for reliable performance during engine rebuilds and overhauls. The .020 oversize designation indicates this set is manufactured for cylinders bored 0.020 inches (approximately 0.50mm) over the standard factory dimension, making it the correct choice when cylinder walls have been machined to restore proper tolerances.

MAHLE is a globally recognized OEM supplier trusted by major automotive and powersports manufacturers worldwide. Their piston ring sets are produced to tight dimensional tolerances and meet or exceed original equipment standards for ring gap, tension, and surface finish.

Key Features:

• Oversize designation: .020 inch over standard bore for use in freshly machined cylinders
• OEM-quality construction: Manufactured to original equipment specifications for proper fit and performance
• Complete set: Includes compression rings and oil control ring assembly for one piston
• Precision engineering: Tight dimensional tolerances ensure proper ring gap and sealing
• Durable materials: High-quality cast iron and/or steel construction for long service life
• Surface treatments: Rings feature appropriate coatings (chrome, moly, or nitride) for optimal break-in and wear resistance

MAHLE piston ring sets are a trusted choice for professional engine builders and rebuilders seeking dependable, specification-correct components. Always verify bore size measurements before ordering to ensure the correct oversize ring is selected.