MAHLE 224-3861WR-0.50MM Engine Piston Set 0.50mm Oversize with Rings

The MAHLE 224-3861WR-0.50MM Engine Piston Set is a precision-engineered oversize piston kit designed for rebored engines requiring 0.50mm (.020") oversize pistons. This complete set features OE-quality construction with advanced engineering for reliable engine performance and longevity.

Key Features:

• 0.50mm oversize pistons for rebored cylinder applications
• Complete with pre-installed piston rings for convenient installation
• Includes wrist pins and retaining clips—ready to install
• Compensated ring grooves ensure proper ring loading and optimal oil control
• Expansion-controlled design allows tighter fitting clearances
• Reduces engine noise, wear, and emissions while improving oil control
• Cast from high-temperature resistant aluminum alloys
• Coated skirts minimize friction and prevent scuffing
• Manufactured to OE specifications by one of the world's largest OE piston suppliers

What's Included:

• Complete piston set (quantity varies by engine application)
• Pre-mounted piston rings
• Wrist pins and retaining clips

MAHLE pistons deliver OE quality and reliability, featuring the same advanced engineering found in original equipment applications. The precision-controlled expansion design maintains optimal piston-to-cylinder clearances throughout the operating temperature range, ensuring quiet operation and extended service life. Ideal for professional engine rebuilds requiring oversize pistons for worn or machined cylinder bores.