Wiseco Gp Series Top End Kit
Wiseco Gp Series Top End Kit
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Estimated delivery: Feb 04 - Feb 08
About this product
About this product
The Wiseco GP Series Top End Kit provides a complete solution for rebuilding your 125cc 2-stroke engine. Engineered and forged in the USA, this kit delivers enhanced throttle response and maximum wear resistance for demanding riding conditions. Equip your engine with the best – Wiseco’s commitment to quality ensures top-tier performance and longevity.
Description
This Wiseco GP Series Top End Kit is designed for endurance and sustained high RPM 2-stroke riding. The piston features an Electra-Coated crown, ring groove(s), and pin bores, coupled with ArmorGlide® skirt coating. This combination provides exceptional protection against micro-welding, galling, and detonation, while maximizing wear resistance. Extra lightening operations improve throttle response, ensuring optimal performance. Wiseco's dedication to quality craftsmanship ensures that each kit is engineered, forged, and machined in the USA. This top end kit is ideal for enthusiasts and professionals seeking reliable and high-performance engine components. Easy installation means less time in the garage and more time on the road.
Features & highlights
- Electra-Coated crown, ring grooves, and pin bores offer superior protection against wear and detonation.
- ArmorGlide® skirt coating minimizes friction and maximizes wear resistance.
- Designed for endurance and sustained high RPM 2-stroke riding.
- Enhanced throttle response due to extra lightening operations.
- Forged and machined in the USA, ensuring top-quality and precision.
- Complete kit includes all necessary components for a hassle-free rebuild.
- Optimized for 125cc 2-stroke engines, delivering peak performance.
Technical specifications
- Brand: Wiseco
- Part Number: PK1581
- Bore Size: 54.00 mm
- Piston Diameter: 53.94 mm
- Displacement: 125 cc
- Stroke Length: 54.50 mm
- Engine Type: 2-Stroke
- Piston Material: 4032 Aluminum Alloy
- Skirt Coating: ArmorGlide®
- Type: Top End Kit
Important to know
This kit includes piston(s), ring set, wrist pin(s), circlips, bearing(s), and gaskets. Verify compatibility with your specific motorcycle model before installation.
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
WISECO
PK1581
Piston with Gaskets Kit
54,00 mm
125 cc
4032 Aluminum Alloy
54,50 mm
53.94 mm
ArmorGlide®
2-Stroke
Top End
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.

