Prox Cast Piston Kit 78.75mm
Prox Cast Piston Kit 78.75mm
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Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Upgrade your engine's performance with the Prox Cast Piston Kit. Designed for reliability and optimized performance, this piston kit offers a direct fit and enhanced durability. Experience improved thermal stability and extended engine life with this high-quality piston kit.
Description
The Prox Cast Piston Kit is engineered to meet or exceed OEM specifications, providing a reliable and high-performing solution for your engine rebuild. Manufactured using gravity casting with a premium aluminum alloy containing approximately 18% silicon, these pistons offer exceptional stability and reduced thermal expansion. Silicon plays a crucial role in minimizing thermal expansion, ensuring consistent performance across varying operating temperatures. This kit is designed for 4-stroke engines with a bore size of 78.75mm and a piston size of +0.25mm. Whether you're overhauling your engine or seeking a performance upgrade, Prox delivers the quality and precision you need.
Features & highlights
- High-silicon aluminum alloy construction reduces thermal expansion.
- Gravity-cast for superior strength and durability.
- Piston design closely matches OEM specifications for easy installation.
- Optimized for 4-stroke engines, enhancing overall performance.
- Available in +0.25mm oversize to accommodate cylinder wear.
- Designed for both cast iron and Nikasil cylinder bores.
- Ensures stable and reliable engine operation.
Technical specifications
- Brand: Prox
- Part Number: 09102475
- Piston Material: Cast Aluminum Alloy
- Ring Material: Steel
- Engine Type: 4-Stroke
- Bore Size: 78.75 mm
- Piston Size: +0.25 mm
- Units: Kit
Important to know
Please ensure compatibility with your specific engine model before installation. Professional installation is recommended for optimal performance.
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
01.1480.025
Piston Kit
78,75 mm
Aluminum Alloy, Cast
Steel
+0,25 mm
4-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.

