Prox Piston Kit - 426cc 4-stroke Engine
Prox Piston Kit - 426cc 4-stroke Engine
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Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Upgrade your 4-stroke engine with this high-performance Prox Piston Kit. Designed for optimal performance and durability, this kit provides everything you need for a complete piston replacement. Experience improved power and reliability with this precision-engineered piston kit.
Description
The Prox Piston Kit is engineered to deliver exceptional performance and reliability for your 4-stroke engine. This kit features a piston crafted from a low-expansion, low-friction aluminum alloy, ensuring optimal heat dissipation and reduced wear. Precision machining on state-of-the-art CNC equipment guarantees exact tolerances and a perfect fit. With a 95.00 mm bore size and a 12.5:1 compression ratio, this kit will restore or enhance your engine's power output. Designed for engines with a 426cc displacement, this piston kit is a direct replacement for your original piston, simplifying the installation process.
Features & highlights
- Complete kit includes piston, rings, wrist pin, and circlips for a comprehensive rebuild.
- Precision CNC-machined for exact tolerances and optimal performance.
- Constructed from low-expansion, low-friction aluminum alloy for enhanced durability.
- Restores or improves engine power and efficiency.
- Designed for 426cc 4-stroke engines.
- Direct replacement for easy installation.
Technical specifications
- Brand: Prox
- Product Name: Piston Kit
- Engine Type: 4-Stroke
- Displacement: 426 cc
- Bore Size: 95.00 mm
- Piston Size: 94.95 mm
- Compression Ratio: 12.5:1
- Piston Material: Aluminum Alloy
- Skirt Coating: Non-Coated
- Bore - Oversize: Standard
- Type: Standard Size A
Important to know
Ensure proper installation procedures are followed. 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
01.2427.A
Piston Kit
95,00 mm
12.5:1
426 cc
Aluminum Alloy
94.95 mm
Non-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.

