Prox Piston Kit - 450cc 4-stroke Engine
Prox Piston Kit - 450cc 4-stroke Engine
Available in stock (5)
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Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Upgrade your 4-stroke engine with the Prox Piston Kit, designed for optimal performance and durability. This kit provides all the necessary components for a complete piston replacement, ensuring your engine runs smoothly and efficiently.
Description
The Prox Piston Kit is meticulously crafted to meet and exceed OEM standards, guaranteeing a precise fit and reliable operation. Featuring a high-quality aluminum alloy construction, this piston offers superior heat dissipation and reduced friction, enhancing engine performance and longevity. The kit is specifically designed for 450cc 4-stroke engines with a 95.00 mm bore size and a compression ratio of 12.5:1. Precision machining on state-of-the-art CNC equipment ensures exceptional dimensional accuracy. Whether you're a professional mechanic or an avid enthusiast, this piston kit provides a cost-effective solution for rebuilding your engine with confidence. The standard size B piston ensures compatibility and ease of installation.
Features & highlights
- Complete kit includes piston, rings, wrist pin, and circlips for a comprehensive rebuild.
- Manufactured from low-expansion, low-friction aluminum alloy for enhanced performance and durability.
- Precision CNC machined for optimal fit and reliable operation.
- Designed for 450cc 4-stroke engines, ensuring compatibility and performance.
- Improves engine efficiency and extends engine life.
- Direct replacement for standard size B pistons, simplifying installation.
Technical specifications
- Brand: Prox
- Part Number: 01.2429.B
- Engine Type: 4-Stroke
- Displacement: 450 cc
- Bore Size: 95.00 mm
- Piston Size: 94.96 mm
- Compression Ratio: 12.5:1
- Piston Material: Aluminum Alloy
- Skirt Coating: Non-Coated
- Type: Standard Size B
Important to know
Ensure proper piston-to-cylinder clearance during installation. 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
01.2429.B
Piston Kit
95,00 mm
12.5:1
450 cc
Aluminum Alloy
94.96 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.

