MAHLE 224-3422WR.040 Engine Piston Set with Rings Pin Clips Over - 040

The MAHLE 224-3422WR.040 is a complete engine piston set engineered to OE (original equipment) standards, offering the same precision and reliability found in factory assemblies. MAHLE is one of the world's largest OE piston manufacturers, supplying major automotive and powersports manufacturers globally, making this set a trusted choice for engine rebuilders and performance shops alike.

Key Features:

• OE-Quality Construction: Built to original equipment specifications for direct-fit replacement and long-term durability
• Compensated Ring Grooves: Precisely engineered ring grooves ensure proper ring loading and superior oil control throughout the piston's service life
• Expansion-Controlled Design: Thermally compensated profiles allow for tighter fitting clearances, reducing engine noise, minimizing wear, and lowering emissions
• Ready-to-Install Kit: Each set ships complete with mounted piston rings, wrist pin, and retaining clips — everything needed for a convenient, complete installation
• .040" Oversize: Machined to .040" over standard bore diameter for use in engines requiring cylinder boring or honing to correct wear
• Improved Oil Control: Advanced ring groove geometry works in tandem with the expansion-controlled skirt to reduce oil consumption

MAHLE piston sets are the preferred choice of professional engine builders seeking a reliable, cost-effective solution that meets or exceeds OEM performance standards. This set simplifies the rebuilding process by providing all critical piston assembly components in a single package.