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 this high-quality Prox Piston Kit. This kit provides all the necessary components for a complete piston replacement, ensuring optimal combustion and power delivery. Engineered for durability and precision, this piston kit is ideal for enthusiasts and professionals seeking reliable engine performance.
Description
The Prox Piston Kit is designed to deliver exceptional performance and longevity for your 250cc 4-stroke engine. Precision machined using state-of-the-art CNC equipment, the piston is crafted from a low expansion, low friction aluminum alloy. This ensures minimal wear and optimal heat dissipation, even under demanding conditions. The kit's 13.8:1 compression ratio optimizes combustion efficiency, resulting in increased power and improved throttle response. Each component is meticulously manufactured to meet or exceed OEM specifications, guaranteeing a precise fit and reliable operation. Upgrade your engine with this Prox Piston Kit for enhanced performance and peace of mind. Ideal for rebuilds or performance upgrades, this kit is a must-have for any serious rider or mechanic.
Features & highlights
- Complete kit includes piston, rings, wrist pin, and circlips for a hassle-free installation.
- Precision CNC-machined from a low-expansion, low-friction aluminum alloy for superior durability.
- Engineered for optimal heat dissipation and reduced wear, ensuring long-lasting performance.
- Designed to meet or exceed OEM specifications for a precise fit and reliable operation.
- Features a 13.8:1 compression ratio, improving combustion efficiency and power output.
- Perfect for engine rebuilds, performance upgrades, and maintenance.
Technical specifications
- Brand: Prox
- Part Number: 01.1346.B
- Engine Type: 4-Stroke
- Displacement: 250 cc
- Bore Size: 76.80 mm
- Piston Size: 76.78 mm
- Compression Ratio: 13.8:1
- Piston Material: Aluminum Alloy
- Skirt Coating: Non-Coated
- Type: Standard Size B
Important to know
No additional components are included beyond those listed in the "Features & Highlights" section.
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
01.1346.B
Piston Kit
76,80 mm
13.8:1
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.

