PISTON KIT 99-25 YZ250 66.40 C, PROX 01.2321.C RM250 03-12
Piston kit with 66.40mm bore. Piston size is 66.37mm. ProX pistons are precision machined on CNC equipment using the same low-expansion, low-friction piston alloy as major Japanese engine manufacturers. This kit is a high-quality replacement for original pistons in motorcycles, scooters, mopeds, ATVs, and personal watercraft. Many ProX pistons feature an OEM style tin coating to assist break-in and a new skirt coating that reduces friction after break-in, increasing performance. Part number PROX 01.2321.C. Manufacturer: Pro-X Racing. Weight: 294g.
- SKU
- 56-W742.C.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
Fitments (51)
| Make | Model | Year |
|---|---|---|
| FANTIC | XX 250 | 2022 |
| FANTIC | XX 250 | 2023 |
| FANTIC | XX 250 | 2024 |
| FANTIC | XX 250 | 2025 |
| SUZUKI | RM 250 | 2003 |
| SUZUKI | RM 250 | 2004 |
| SUZUKI | RM 250 | 2005 |
| SUZUKI | RM 250 | 2006 |
| SUZUKI | RM 250 | 2007 |
| SUZUKI | RM 250 | 2008 |
| SUZUKI | RM 250 | 2009 |
| SUZUKI | RM 250 | 2010 |
| SUZUKI | RM 250 | 2011 |
| SUZUKI | RM 250 | 2012 |
| YAMAHA | YZ 250 | 1999 |
| YAMAHA | YZ 250 | 2000 |
| YAMAHA | YZ 250 | 2001 |
| YAMAHA | YZ 250 | 2002 |
| YAMAHA | YZ 250 | 2003 |
| YAMAHA | YZ 250 | 2004 |
| YAMAHA | YZ 250 | 2005 |
| YAMAHA | YZ 250 | 2006 |
| YAMAHA | YZ 250 | 2007 |
| YAMAHA | YZ 250 | 2008 |
| YAMAHA | YZ 250 | 2009 |
| YAMAHA | YZ 250 | 2010 |
| YAMAHA | YZ 250 | 2011 |
| YAMAHA | YZ 250 | 2012 |
| YAMAHA | YZ 250 | 2013 |
| YAMAHA | YZ 250 | 2014 |
| YAMAHA | YZ 250 | 2015 |
| YAMAHA | YZ 250 | 2016 |
| YAMAHA | YZ 250 | 2017 |
| YAMAHA | YZ 250 | 2018 |
| YAMAHA | YZ 250 | 2019 |
| YAMAHA | YZ 250 | 2020 |
| YAMAHA | YZ 250 | 2021 |
| YAMAHA | YZ 250 | 2022 |
| YAMAHA | YZ 250 | 2023 |
| YAMAHA | YZ 250 | 2024 |
| YAMAHA | YZ 250 | 2025 |
| YAMAHA | YZ 250X | 2016 |
| YAMAHA | YZ 250X | 2017 |
| YAMAHA | YZ 250X | 2018 |
| YAMAHA | YZ 250X | 2019 |
| YAMAHA | YZ 250X | 2020 |
| YAMAHA | YZ 250X | 2021 |
| YAMAHA | YZ 250X | 2022 |
| YAMAHA | YZ 250X | 2023 |
| YAMAHA | YZ 250X | 2024 |
| YAMAHA | YZ 250X | 2025 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 66.40mm
- Variant Id
- 257597
FULL DESCRIPTION
ProX Piston Kit - 66.40mm Bore
This ProX Piston Kit is engineered for high performance and durability, offering a premium solution to replace your original piston. Precision machined using state-of-the-art CNC equipment, this kit utilizes the same low-expansion, low-friction piston alloy favored by major Japanese engine manufacturers.
Key Features:
- Bore Size: 66.40mm
- Piston Size: 66.37mm
- Constructed with a high-quality, low-expansion, low-friction piston alloy.
- Features advanced skirt coating for improved performance and reduced friction after the break-in period.
- Designed to assist the wear-in process, especially with the OEM style Tin coating.
- Manufactured by Pro-X Racing, a trusted name in high-performance engine components.
Trade pricing available
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