Prox Piston Kit 250cc 4-stroke
Prox Piston Kit 250cc 4-stroke
Available in stock (4)
-
Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Upgrade your 4-stroke engine with the Prox Piston Kit, engineered for superior performance and durability. This kit provides everything needed for a complete piston replacement, ensuring optimal engine function and longevity.
Description
The Prox Piston Kit is precision-machined using state-of-the-art CNC equipment and forged from a low-expansion, low-friction aluminum alloy. This design minimizes wear and maximizes power output. The piston features a moly-coated skirt for reduced friction and improved heat transfer, contributing to cooler running temperatures and extended engine life. With a displacement of 250cc and a compression ratio of 12.9:1, this standard size C piston kit delivers enhanced performance and reliability. Whether you're a seasoned professional or an enthusiastic rider, the Prox Piston Kit offers exceptional quality and value.
Features & highlights
- Forged aluminum alloy construction for exceptional strength and durability.
- Moly-coated skirt reduces friction and improves heat transfer.
- Precision machined on CNC equipment for exact fit and optimal performance.
- Low expansion alloy maintains consistent clearances for improved sealing.
- Complete kit includes piston, rings, wrist pin, and circlips for a comprehensive solution.
- Designed for 4-stroke engines, enhancing power and reliability.
Technical specifications
- Brand: Prox
- Part Number: 01.1338.C
- Bore Size: 78.00 mm
- Piston Size: 77.99 mm
- Displacement: 250 cc
- Compression Ratio: 12.9:1
- Engine Type: 4-Stroke
- Piston Material: Forged Aluminum Alloy
- Skirt Coating: Moly Coated
- Type: Standard Size C
Important to know
This kit includes the piston, rings, wrist pin, and circlips. No other parts are included.
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
01.1338.C
Piston Kit
78,00 mm
12.9:1
250 cc
Aluminum Alloy, Forged
77.99 mm
Moly Coated
4-Stroke
Standard Size C
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.

