ProX 01.5600.000 Piston Kit Ski-Doo MXZ - 600 2003-2009

The ProX 01.5600.000 is a complete piston kit designed for the Ski-Doo MXZ 600 snowmobile (2003–2009). Precision-machined using state-of-the-art CNC equipment, each ProX piston is manufactured from a low-expansion, low-friction aluminum alloy — the same alloy specification trusted by major Japanese OEM engine manufacturers — delivering consistent performance and long-lasting durability.

Key Features:

• CNC Precision Machined — Manufactured on modern CNC equipment for tight tolerances and consistent quality
• Premium Low-Expansion Alloy — Reduces friction and thermal expansion for improved engine efficiency and longevity
• Oversize Availability — Available in standard size and a wide range of oversizes up to 2mm for sleeved cylinders, extending cylinder service life with more re-boring options
• Plated Cylinder Options — For plated cylinders, available in standard plus A, B, C, and D+ oversizes to maximize the usable life of the cylinder
• Complete Kit — Includes piston, piston rings, wrist pin, and circlips — everything needed for a straightforward installation

ProX piston kits are a proven OEM-quality replacement solution for powersports engines. Whether restoring worn displacement or overboring for a fresh sleeve, the ProX 01.5600.000 delivers a factory-fit result right out of the box.