MAHLE 224-2012.040 Engine Piston Set with Rings, Pin, and Clips

The MAHLE 224-2012.040 is a complete engine piston set engineered to original equipment (OE) standards. MAHLE is one of the world's largest OE piston manufacturers, supplying major automakers globally, and this set reflects that same level of precision and quality.

Each piston features compensated ring grooves that ensure proper ring loading and effective oil control throughout the engine's operating range. The expansion-controlled design allows for tight fitting clearances, which directly reduces engine noise, minimizes wear, lowers emissions, and improves overall oil control performance.

Key Features:

• OE-equivalent quality construction for reliable, long-lasting performance
• Compensated ring grooves for accurate ring loading and oil control
• Expansion-controlled piston design for reduced fitting clearances
• Reduces engine noise, wear, and harmful emissions
• Ready-to-install set — includes mounted piston rings, wrist pin, and retaining clips
• Complete kit for convenience of the professional engine builder or rebuilder
• 0.040" oversize bore specification for use in engines requiring standard oversize machining

The 0.040" oversize designation makes this set ideal for engine rebuilds where the cylinder bores have been bored or honed to the first standard oversize. Everything needed for installation is included, streamlining the rebuild process and ensuring proper fitment right out of the box.