PISTON KIT 2003-25 KTM 250 SX PROX 01.6343.A 66.40mm, SX, EXC
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ProX Piston Kit, 2-ring piston. 66.40mm bore size. Includes piston rings, wrist pin, and circlips. Precision machined on state of the art CNC equipment using a low-expansion, low-friction piston alloy. Features an OEM style tin coating for break-in assistance. Part number 01.6343.A. Weight 308 grams.
- SKU
- 56-W214.A.PROX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
Fitments (166)
| Make | Model | Year |
|---|---|---|
| BETA | RR 250 | 2013 |
| BETA | RR 250 | 2014 |
| BETA | RR 250 | 2015 |
| BETA | RR 250 | 2016 |
| BETA | RR 250 | 2017 |
| BETA | RR 250 | 2018 |
| BETA | RR ENDURO 2T 250 | 2013 |
| BETA | RR ENDURO 2T 250 | 2014 |
| BETA | RR ENDURO 2T 250 | 2015 |
| BETA | RR ENDURO 2T 250 | 2016 |
| BETA | RR ENDURO 2T 250 | 2017 |
| BETA | RR ENDURO 2T 250 | 2018 |
| BETA | RR ENDURO 2T 250 | 2019 |
| BETA | RR ENDURO 2T 250 | 2020 |
| BETA | XTRAINER 250 | 2018 |
| GAS-GAS | EX 250 | 2023 |
| GAS-GAS | EX 250 | 2024 |
| GAS-GAS | EX 250 | 2025 |
| GASGAS | EC 250 | 2021 |
| GASGAS | EC 250 | 2022 |
| GASGAS | EC 250 | 2023 |
| GASGAS | EC 250 | 2024 |
| GASGAS | EC 250 | 2025 |
| GASGAS | EX 250 | 2022 |
| GASGAS | MC 250 | 2022 |
| GASGAS | MC 250 | 2023 |
| GASGAS | MC 250 | 2024 |
| GASGAS | MC 250 | 2025 |
| HUSABERG | TE 250 | 2011 |
| HUSABERG | TE 250 | 2012 |
| HUSABERG | TE 250 | 2013 |
| HUSABERG | TE 250 | 2014 |
| HUSQVARNA | TC 250 | 2014 |
| HUSQVARNA | TC 250 | 2015 |
| HUSQVARNA | TC 250 | 2016 |
| HUSQVARNA | TC 250 | 2017 |
| HUSQVARNA | TC 250 | 2018 |
| HUSQVARNA | TC 250 | 2019 |
| HUSQVARNA | TC 250 | 2020 |
| HUSQVARNA | TC 250 | 2021 |
| HUSQVARNA | TC 2T 250 | 2014 |
| HUSQVARNA | TC 2T 250 | 2015 |
| HUSQVARNA | TC 2T 250 | 2016 |
| HUSQVARNA | TC 2T 250 | 2017 |
| HUSQVARNA | TC 2T 250 | 2018 |
| HUSQVARNA | TC 2T 250 | 2019 |
| HUSQVARNA | TC 2T 250 | 2020 |
| HUSQVARNA | TC 2T 250 | 2021 |
| HUSQVARNA | TC 2T 250 | 2022 |
| HUSQVARNA | TC 2T 250 | 2023 |
| HUSQVARNA | TC 2T 250 | 2024 |
| HUSQVARNA | TC 2T 250 | 2025 |
| HUSQVARNA | TE 250 | 2014 |
| HUSQVARNA | TE 250 | 2015 |
| HUSQVARNA | TE 250 | 2016 |
| HUSQVARNA | TE 250 | 2017 |
| HUSQVARNA | TE 250 | 2018 |
| HUSQVARNA | TE 250 | 2019 |
| HUSQVARNA | TE 250 | 2020 |
| HUSQVARNA | TE 250 | 2021 |
| HUSQVARNA | TE 250i | 2018 |
| HUSQVARNA | TE 250i | 2019 |
| HUSQVARNA | TE 250i | 2020 |
| HUSQVARNA | TE 250i | 2021 |
| HUSQVARNA | TE 250I | 2022 |
| HUSQVARNA | TE 250I | 2023 |
| HUSQVARNA | TE 250I | 2024 |
| HUSQVARNA | TE 250I | 2025 |
| HUSQVARNA | TE 2T 250 | 2014 |
| HUSQVARNA | TE 2T 250 | 2015 |
| HUSQVARNA | TE 2T 250 | 2016 |
| HUSQVARNA | TE 2T 250 | 2017 |
| KTM | 250 EXC | 2005 |
| KTM | 250 EXC | 2006 |
| KTM | 250 EXC | 2007 |
| KTM | 250 EXC | 2008 |
| KTM | 250 EXC | 2009 |
| KTM | 250 EXC | 2010 |
| KTM | 250 EXC | 2011 |
| KTM | 250 EXC | 2012 |
| KTM | 250 EXC | 2013 |
| KTM | 250 EXC | 2014 |
| KTM | 250 EXC | 2015 |
| KTM | 250 EXC | 2016 |
| KTM | 250 EXC | 2017 |
| KTM | 250 EXC | 2018 |
| KTM | 250 EXC | 2019 |
| KTM | 250 EXC | 2020 |
| KTM | 250 EXC | 2021 |
| KTM | 250 EXC TPI | 2018 |
| KTM | 250 EXC TPI | 2019 |
| KTM | 250 EXC TPI | 2020 |
| KTM | 250 EXC TPI | 2021 |
| KTM | 250 EXC TPI | 2022 |
| KTM | 250 EXC TPI | 2023 |
| KTM | 250 EXC TPI | 2024 |
| KTM | 250 EXC TPI | 2025 |
| KTM | 250 FREERIDE R | 2014 |
| KTM | 250 FREERIDE R | 2015 |
| KTM | 250 FREERIDE R | 2016 |
| KTM | 250 FREERIDE R | 2017 |
| KTM | 250 SX | 2003 |
| KTM | 250 SX | 2004 |
| KTM | 250 SX | 2005 |
| KTM | 250 SX | 2006 |
| KTM | 250 SX | 2007 |
| KTM | 250 SX | 2008 |
| KTM | 250 SX | 2009 |
| KTM | 250 SX | 2010 |
| KTM | 250 SX | 2011 |
| KTM | 250 SX | 2012 |
| KTM | 250 SX | 2013 |
| KTM | 250 SX | 2014 |
| KTM | 250 SX | 2015 |
| KTM | 250 SX | 2016 |
| KTM | 250 SX | 2017 |
| KTM | 250 SX | 2018 |
| KTM | 250 SX | 2019 |
| KTM | 250 SX | 2020 |
| KTM | 250 SX | 2021 |
| KTM | 250 SX | 2022 |
| KTM | 250 SX | 2023 |
| KTM | 250 SX | 2024 |
| KTM | 250 SX | 2025 |
| KTM | 250 XC | 2006 |
| KTM | 250 XC | 2007 |
| KTM | 250 XC | 2008 |
| KTM | 250 XC | 2009 |
| KTM | 250 XC | 2010 |
| KTM | 250 XC | 2011 |
| KTM | 250 XC | 2012 |
| KTM | 250 XC | 2013 |
| KTM | 250 XC | 2014 |
| KTM | 250 XC | 2015 |
| KTM | 250 XC | 2016 |
| KTM | 250 XC | 2017 |
| KTM | 250 XC | 2018 |
| KTM | 250 XC | 2019 |
| KTM | 250 XC | 2020 |
| KTM | 250 XC-W | 2006 |
| KTM | 250 XC-W | 2007 |
| KTM | 250 XC-W | 2008 |
| KTM | 250 XC-W | 2009 |
| KTM | 250 XC-W | 2010 |
| KTM | 250 XC-W | 2011 |
| KTM | 250 XC-W | 2012 |
| KTM | 250 XC-W | 2013 |
| KTM | 250 XC-W | 2014 |
| KTM | 250 XC-W | 2015 |
| KTM | 250 XC-W | 2016 |
| KTM | 250 XC-W | 2017 |
| KTM | 250 XC-W | 2018 |
| KTM | 250 XC-W | 2019 |
| KTM | 250 XC-W | 2020 |
| SHERCO | SE 250 | 2013 |
| SHERCO | SE 250 | 2014 |
| SHERCO | SE 250 | 2015 |
| SHERCO | SE 250 | 2016 |
| SHERCO | SE 250 | 2017 |
| SHERCO | SE 250 | 2018 |
| SHERCO | SE R 250 | 2013 |
| SHERCO | SE R 250 | 2014 |
| SHERCO | SE R 250 | 2015 |
| SHERCO | SE R 250 | 2016 |
| SHERCO | SE R 250 | 2017 |
| SHERCO | SE R 250 | 2018 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 66.4mm
- Variant Id
- 255032
FULL DESCRIPTION
ProX 2-Ring Piston Kit - 66.40mm
This ProX Piston Kit is designed for high-performance engines and includes all necessary components for immediate installation. Each kit comes complete with precision-machined piston rings, a durable wrist pin, and secure circlips.
ProX pistons are manufactured using advanced CNC machining technology, ensuring exceptional accuracy and quality. They are constructed from a low-expansion, low-friction aluminum alloy, mirroring the materials used by major Japanese engine manufacturers. To facilitate an optimal break-in period, these pistons feature an OEM-style tin coating, which aids in initial lubrication and wear reduction when your machine is first started.
Key Features:
- Ready to install kit includes piston, rings, wrist pin, and circlips.
- Precision machined using state-of-the-art CNC equipment.
- Constructed from a low-expansion, low-friction aluminum alloy.
- Features an OEM style tin coating for an improved break-in process.
- 2-ring design for enhanced performance and sealing.
- Piston diameter: 66.40mm.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
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.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. 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
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
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