MAHLE 41915CP.030 Original Engine Piston Ring Set Oversize - 0.030

The MAHLE Original 41915CP.030 is a complete engine piston ring set engineered to OEM specifications for reliable engine rebuilding and performance restoration. This set is sized at 0.030" oversize, making it ideal for engines that have been bored 0.030" over the standard cylinder diameter during a rebuild or reconditioning service.

MAHLE Original piston rings are manufactured to meet or exceed original equipment standards, ensuring proper oil control, compression sealing, and heat transfer between the piston and cylinder wall. Each ring in the set is precision-engineered for consistent gap sizing and surface finish to promote quick ring seating and long service life.

Key Features:

• 0.030" Oversize (0.75mm) — designed for cylinders bored 0.030" over standard diameter
• OEM-quality construction meeting or exceeding original manufacturer specifications
• Precision-ground ring faces for optimal cylinder wall contact and seating
• Complete ring set includes compression rings and oil control ring assembly
• Engineered for proper blow-by control, oil consumption reduction, and compression retention
• Manufactured by MAHLE, a Tier 1 OEM supplier to major global automakers
• Corrosion-resistant coatings and surface treatments for extended durability

MAHLE is one of the world's leading OEM engine component suppliers, producing piston rings for passenger cars, light trucks, and performance applications. The MAHLE Original line is built on the same production lines and to the same tolerances as factory OEM parts, making this ring set a trusted choice for professional engine builders and machine shops.