Prox Piston Kit - 250cc 4-stroke Engine
Prox Piston Kit - 250cc 4-stroke Engine
Available in stock (4)
-
Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Upgrade your 250cc 4-stroke engine with this high-performance Prox Piston Kit. This kit provides improved engine performance and reliability, ensuring your machine runs at its best. Manufactured with precision and durability in mind, this piston kit is an essential upgrade for any serious enthusiast.
Description
The Prox Piston Kit is meticulously engineered for optimal performance and longevity in your 250cc 4-stroke engine. Each kit includes a high-quality piston, matched rings, a durable wrist pin, and secure circlips, all designed to work together seamlessly. The piston is precision-machined on state-of-the-art CNC equipment from a low-expansion, low-friction aluminum alloy. This advanced material minimizes wear and maximizes power output. With a compression ratio of 13.2:1, this piston kit enhances combustion efficiency, resulting in improved throttle response and overall engine performance. Upgrade your engine with this reliable and high-performing piston kit for superior results.
Features & highlights
- Complete Kit: Includes piston, rings, wrist pin, and circlips for a comprehensive rebuild.
- Precision Machined: Manufactured on state-of-the-art CNC equipment for exact tolerances and optimal fit.
- Low-Friction Alloy: Constructed from a low-expansion, low-friction aluminum alloy for enhanced performance and durability.
- Optimized Compression: 13.2:1 compression ratio improves combustion efficiency and power output.
- Enhanced Performance: Experience improved throttle response and overall engine performance.
Technical specifications
- Brand: Prox
- Product Name: Piston Kit
- Engine Type: 4-Stroke
- Displacement: 250 cc
- Bore Size: 76.80 mm
- Piston Size: 76.78 mm
- Bore - Oversize: Standard
- Compression Ratio: 13.2:1
- Piston Material: Aluminum Alloy
- Skirt Coating: Non-Coated
- Type: Standard Size B
Important to know
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
01.1342.B
Piston Kit
76,80 mm
13.2:1
250 cc
Aluminum Alloy
76.78 mm
Non-Coated
4-Stroke
Standard Size B
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.

