PISTON KIT 09-25 SX50 39.5mm A, PROX 01.6019.A
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ProX Piston Kit 39.50mm Bore. Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined on the latest CNC equipment and use a low-expansion, low-friction piston alloy. Uses an OEM style tin coating to assist the break-in process. Meets or exceeds OEM quality. Direct OEM replacement. All products are factory tested for 100% reliability. Designed to handle increased power loads.
- SKU
- 56-W802.A.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
Fitments (31)
| Make | Model | Year |
|---|---|---|
| GASGAS | MC 50 | 2021 |
| GASGAS | MC 50 | 2022 |
| GASGAS | MC 50 | 2023 |
| GASGAS | MC 50 | 2024 |
| GASGAS | MC 50 | 2025 |
| HUSQVARNA | TC 50 | 2017 |
| HUSQVARNA | TC 50 | 2018 |
| HUSQVARNA | TC 50 | 2019 |
| HUSQVARNA | TC 50 | 2020 |
| HUSQVARNA | TC 50 | 2021 |
| HUSQVARNA | TC 50 | 2022 |
| HUSQVARNA | TC 50 | 2023 |
| HUSQVARNA | TC 50 | 2024 |
| HUSQVARNA | TC 50 | 2025 |
| KTM | 50 SX | 2009 |
| KTM | 50 SX | 2010 |
| KTM | 50 SX | 2011 |
| KTM | 50 SX | 2012 |
| KTM | 50 SX | 2013 |
| KTM | 50 SX | 2014 |
| KTM | 50 SX | 2015 |
| KTM | 50 SX | 2016 |
| KTM | 50 SX | 2017 |
| KTM | 50 SX | 2018 |
| KTM | 50 SX | 2019 |
| KTM | 50 SX | 2020 |
| KTM | 50 SX | 2021 |
| KTM | 50 SX | 2022 |
| KTM | 50 SX | 2023 |
| KTM | 50 SX | 2024 |
| KTM | 50 SX | 2025 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 39.5mm
- Variant Id
- 257808
FULL DESCRIPTION
ProX Piston Kit 39.50mm Bore
This ProX Piston Kit is designed for 2-stroke engines and features a 39.50mm bore. It is a direct OEM replacement part, manufactured to meet or exceed original equipment quality standards. The piston is precision machined using state-of-the-art CNC equipment and utilizes a low-expansion, low-friction alloy, identical to that used by major Japanese engine manufacturers. The kit includes piston rings, a wrist pin, and circlips, ensuring it is ready for installation. A tin coating is applied to assist with the break-in process.
This piston kit is engineered to handle increased power loads and is factory tested for 100% reliability. It is a high-quality replacement part that offers guaranteed satisfaction.
- Bore Size: 39.50mm
- Engine Type: 2-Stroke
- Included Components: Piston, Piston Rings, Wrist Pin, Circlips
- Material: Low-expansion, low-friction alloy
- Coating: OEM style tin coating for break-in assistance
- Manufacturing: Precision machined on state-of-the-art CNC equipment
- Quality: Meets or exceeds OEM quality
- Design: Engineered to handle increased power loads
- Testing: Factory tested for 100% reliability
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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