Prox Piston Kit 250cc 4-stroke
Prox Piston Kit 250cc 4-stroke
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Estimated delivery: Feb 05 - Feb 09
About this product
About this product
The Prox Piston Kit for 4-Stroke engines delivers exceptional performance and reliability. This kit provides all the necessary components for a complete piston replacement, ensuring optimal engine function and longevity. Manufactured with precision and high-quality materials, it's the ideal choice for enthusiasts and professionals alike.
Description
This Prox Piston Kit is specifically designed for 250cc 4-stroke engines, featuring a standard size C piston. Each kit includes the piston, rings, wrist pin, and circlips, all engineered to meet or exceed OEM specifications. The piston is crafted from a low-expansion, low-friction aluminum alloy and precision machined on state-of-the-art CNC equipment for superior dimensional accuracy and consistent performance. With a compression ratio of 12.6:1, this piston kit optimizes engine power and efficiency. The non-coated skirt ensures smooth operation and reduced friction, contributing to extended engine life and improved fuel economy. Easy to install, this kit will restore your engine's performance to its peak potential.Features & highlights
- Complete Kit: Includes piston, rings, wrist pin, and circlips for a comprehensive replacement.
- Precision Machined: Manufactured on state-of-the-art CNC equipment for exacting tolerances.
- Premium Materials: Crafted from low-expansion, low-friction aluminum alloy for durability and performance.
- Optimized Compression: 12.6:1 compression ratio enhances engine power and efficiency.
- Standard Size: Designed as a standard size C replacement part, ensuring compatibility and ease of installation.
Technical specifications
- Brand: Prox
- Product Name: Piston Kit
- Engine Type: 4-Stroke
- Displacement: 250 cc
- Bore Size: 77.00 mm
- Piston Size: 76.98 mm
- Bore - Oversize: Standard
- Compression Ratio: 12.6:1
- Piston Material: Aluminum Alloy
- Skirt Coating: Non-Coated
- Type: Standard Size C
Important to know
No special tools are required for installation, but 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
01.4335.C
Piston Kit
77,00 mm
12.6:1
250 cc
Aluminum Alloy
76.98 mm
Non-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.

