Prox Piston Kit - 250cc 4-stroke Engine
Prox Piston Kit - 250cc 4-stroke Engine
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Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Maximize your 4-stroke engine's performance with the Prox Piston Kit. This kit provides everything you need for a comprehensive piston replacement, ensuring optimal power and reliability. Built to meet or exceed OEM specifications, the Prox Piston Kit delivers exceptional value and performance.
Description
The Prox Piston Kit is engineered for demanding 4-stroke engines, specifically designed for 250cc displacement. Each kit features a precision-machined piston crafted from a low-expansion, low-friction forged aluminum alloy. This ensures durability and reduces wear, contributing to a longer engine life. The piston's moly-coated skirt minimizes friction and optimizes performance. Manufactured using state-of-the-art CNC equipment, this kit provides superior accuracy and consistency. Restore your engine's compression and power with this high-quality piston kit. Easy to install with basic mechanical knowledge.
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 exceptional accuracy.
- Forged Aluminum Alloy: Made with low-expansion, low-friction forged aluminum alloy for enhanced durability.
- Moly-Coated Skirt: Reduces friction and improves overall engine performance.
- Optimized Compression: Restores and enhances engine compression for maximum power.
- Direct Replacement: Designed as a direct replacement for easy installation.
Technical specifications
- Brand: Prox
- Part Number: 01.1338.A
- Engine Type: 4-Stroke
- Displacement: 250 cc
- Bore Size: 78.00 mm
- Piston Size: 77.97 mm
- Compression Ratio: 12.9:1
- Piston Material: Forged Aluminum Alloy
- Skirt Coating: Moly Coated
- Type: Standard Size A
Important to know
Ensure proper fitment for 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
01.1338.A
Piston Kit
78,00 mm
12.9:1
250 cc
Aluminum Alloy, Forged
77.97 mm
Moly Coated
4-Stroke
Standard Size A
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.

