Prox Cast Piston Kit 56.25mm
Prox Cast Piston Kit 56.25mm
Available in stock (11)
-
Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Upgrade your two-stroke engine with the Prox Cast Piston Kit, designed for optimal performance and reliability. Crafted with precision and featuring advanced materials, this piston kit delivers improved thermal stability and wear resistance. Ideal for enthusiasts and professionals seeking a high-quality replacement or performance upgrade.
Description
The Prox Cast Piston Kit is engineered to meet or exceed OEM specifications, ensuring a seamless fit and reliable performance. Manufactured using a gravity casting process with a high-silicon aluminum alloy, this piston offers exceptional stability and reduced thermal expansion. The high silicon content is crucial for maintaining consistent performance under extreme conditions. Suitable for both cast iron and Nikasil cylinder bores, Prox offers a range of oversizes in A/B/C/D grades, with each increment increasing by 0.01mm in diameter, guaranteeing a precise fit for your specific engine needs. This kit enhances engine efficiency and extends the lifespan of your two-stroke motorcycle. The piston size is +0.25mm, with a bore size of 56.25mm.
Features & highlights
- Manufactured using gravity casting for superior consistency and strength.
- High-silicon aluminum alloy reduces thermal expansion and improves stability.
- Designed to meet or exceed OEM specifications for a perfect fit.
- Available in multiple oversizes (A/B/C/D) for Nikasil cylinder bores.
- Optimized for both cast iron and Nikasil cylinder bores, offering versatility.
- Enhances engine efficiency and extends engine life.
Technical specifications
- Brand: Prox
- Part Number: 09101583
- Piston Material: Cast Aluminum Alloy
- Ring Material: Steel
- Engine Type: 2-Stroke
- Piston Size: +0.25 mm
- Bore Size: 56.25 mm
- Units: Kit
Important to know
Always verify your cylinder bore size before ordering to ensure proper fitment. 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
01.2245.025
Piston Kit
56,25 mm
Aluminum Alloy, Cast
Steel
+0,25 mm
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.

