Prox 350cc 2-stroke Piston Kit +2.50mm Oversize
Prox 350cc 2-stroke Piston Kit +2.50mm Oversize
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Estimated delivery: Feb 04 - Feb 08
About this product
About this product
Upgrade your 2-stroke engine with the Prox Piston Kit, engineered for superior performance and durability. This kit provides a cost-effective solution for rebuilding your top end with high-quality components, ensuring optimal power and longevity.
Description
The Prox Piston Kit is meticulously crafted using state-of-the-art CNC equipment and a low-expansion, low-friction aluminum alloy. The oversized piston, at +2.50 mm, maximizes cylinder wall contact, resulting in improved compression and power output for your 350cc 2-stroke engine. Each piston features a moly coated skirt for reduced friction and enhanced wear resistance. This kit delivers reliable performance under demanding conditions. Ideal for enthusiasts and professionals seeking to restore or enhance their engine's performance, this Prox piston kit is a premium choice.
Features & highlights
- Oversized +2.50mm piston increases displacement and enhances engine performance.
- Precision CNC-machined for exact tolerances and optimal fit.
- Constructed from low-expansion, low-friction aluminum alloy for durability and reduced wear.
- Moly coated skirt minimizes friction and maximizes piston life.
- Complete kit includes piston, rings, circlips, and wrist pin for a comprehensive rebuild.
- Engineered for 350cc 2-stroke engines to improve power and reliability.
Technical specifications
- Brand: Prox
- Part Number: 01.2020.250
- Engine Type: 2-Stroke
- Displacement: 350 cc
- Bore Size: 66.50 mm
- Bore - Oversize: +2.50 mm
- Compression Ratio: Standard
- Piston Material: Cast Aluminum Alloy
- Skirt Coating: Moly Coated
- Units: Kit
Important to know
Verify compatibility with your specific engine model before installation. Professional installation is recommended.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
PROX
01.2020.250
Piston Kit
66,50 mm
Standard
350 cc
Aluminum Alloy, Cast
Moly Coated
2-Stroke
Kit


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

