2 SPI Standard Bore Piston Kits for Ski-Doo MXZ X 440 L/C 1999-2007 453cc 65mm
2 SPI Standard Bore Piston Kits for Ski-Doo MXZ X 440 L/C 1999-2007 453cc 65mm
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SPI Standard Bore Piston Kit for Ski-Doo MXZ X 440 L/C (453cc, 65mm)
This SPI Standard Bore Piston Kit replaces worn pistons in Ski-Doo MXZ X 440 L/C snowmobiles from 1999 to 2007, featuring a 65mm bore for 453cc displacement.
Overview
The SPI Standard Bore Piston Kit is a direct replacement for the original pistons in the Ski-Doo MXZ X 440 L/C engine. Designed for the 65mm bore size, this standard bore piston kit restores compression and performance in 453cc two-stroke engines. Ideal for riders maintaining or rebuilding their Ski-Doo snowmobile.
Built For Performance
- Constructed from high-strength aluminum alloy for durability
- Precision-machined ring grooves ensure proper ring seal
- Lightweight design reduces reciprocating mass
- Includes piston rings and wrist pin for a complete replacement
- Engineered to meet OEM specifications for fit and function
Fits These Machines
- for Ski-Doo MXZ X 440 L/C (1999-2007)
On-The-Job Use
- Sledding on groomed trails and backcountry terrain
- Racing and high-performance snowmobile applications
- Engine rebuilds for winter recreation
- Routine maintenance to extend engine life
Specs At A Glance
| Bore Diameter | 65mm |
| Displacement | 453cc |
| Piston Size | Standard Bore |
| Quantity | 2 |
Good To Know
Q: Is installation straightforward? A: Yes, but proper ring gap and cylinder honing are recommended for best performance. Always follow the engine service manual.
Q: Does this kit include all necessary components? A: Yes, the kit includes two pistons, rings, and wrist pins. You may need to reuse your original circlips.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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