Wsm 420cc Top-end Rebuild Kit
Wsm 420cc Top-end Rebuild Kit
Available in stock (4)
About this product
About this product
Maximize your 4-stroke engine's performance with the WSM Top-End Rebuild Kit. This comprehensive kit provides all essential components for a complete top-end overhaul, ensuring optimal power and reliability. Built with high-quality materials and precision engineering, this kit is designed for enthusiasts and professionals seeking to restore or enhance their engine's performance.
Description
The WSM Top-End Rebuild Kit delivers exceptional value and performance. Specifically designed for 420cc 4-stroke engines, this kit includes a top-quality aluminum piston, piston rings, wrist pin, clips, head and base gaskets, intake and exhaust gaskets, and an oil filter. The piston features an 86.75 mm bore size with a +0.25 mm overbore, optimizing compression and power output. Whether you're rebuilding a worn engine or upgrading for improved performance, the WSM Top-End Rebuild Kit provides the necessary components for a reliable and efficient rebuild. Trust WSM for superior quality and performance in every kit.Features & highlights
- Complete top-end rebuild kit for 4-stroke engines.
- Includes high-quality aluminum piston for enhanced durability.
- Features an 86.75 mm bore size with a +0.25 mm overbore for improved performance.
- Contains all necessary gaskets and seals for a leak-free installation.
- Ensures optimal compression and power output.
- Comes with an oil filter to keep your engine running clean.
- Designed for easy installation and reliable performance.
Technical specifications
- Brand: WSM
- Product Name: Top End Rebuild Kit
- Engine Type: 4-Stroke
- Displacement: 420 cc
- Bore Size: 86.75 mm
- Overbore: +0.25 mm
- Material: Aluminum
- Units: Kit
Important to know
This kit is designed for specific 4-stroke engine models. Please verify compatibility with your engine before purchasing. 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
WSM
54-231-21
Top End Rebuild Kit
86,75 mm
420 cc
+0.25 mm
4-Stroke
Aluminum
Kit
Reviews


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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.
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