Prox Piston Kit - 250cc 4-stroke Engine
Prox Piston Kit - 250cc 4-stroke Engine
Hurry up, only 2 items left in stock.
-
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. Designed for durability and optimal performance, this kit provides everything needed for a complete piston replacement, ensuring your engine runs like new.
Description
The Prox Piston Kit is precision-engineered using state-of-the-art CNC equipment and manufactured from a low-expansion, low-friction aluminum alloy. This ensures superior heat dissipation and reduced wear, contributing to extended engine life. This standard size B piston kit is designed to deliver optimal compression and power. With a compression ratio between 13.4:1 and 13.75:1, this kit offers enhanced engine performance. Ideal for enthusiasts and professionals alike, the Prox Piston Kit is a reliable choice for rebuilding or upgrading your 4-stroke engine. The 76.97 mm piston fits a standard 77.00 mm bore. Installation is straightforward, making it an excellent choice for DIY mechanics and professional technicians.
Features & highlights
- Complete kit includes piston, rings, wrist pin, and circlips for a comprehensive rebuild.
- Precision CNC-machined from low-expansion, low-friction aluminum alloy for superior performance and durability.
- Designed for optimal compression and power output, with a compression ratio of 13.4:1 to 13.75:1.
- Ensures efficient heat dissipation and reduced wear for extended engine life.
- Ideal for both DIY enthusiasts and professional mechanics.
- Standard Size B piston for easy installation and compatibility.
Technical specifications
- Brand: Prox
- Part Number: 01.3341.B
- Engine Type: 4-Stroke
- Displacement: 250cc
- Bore Size: 77.00 mm
- Piston Size: 76.97 mm
- Compression Ratio: 13.4:1 - 13.75:1
- Piston Material: Aluminum Alloy
- Skirt Coating: Non-Coated
- Type: Standard Size B
Important to know
No specific requirements or limitations are listed for this product.
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
01.3341.B
Piston Kit
77,00 mm
13.4:1, 13.75:1
250 cc
Aluminum Alloy
76.97 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.

