Wiseco Gp Series Top End Kit
Wiseco Gp Series Top End Kit
In stock
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Estimated delivery: Feb 04 - Feb 08
About this product
About this product
The Wiseco GP Series Top End Kit provides superior performance and reliability for your 2-stroke engine. Engineered and manufactured in the USA, this kit is designed for endurance and sustained high RPM riding, ensuring optimal performance in demanding conditions.
Description
This Wiseco Top End Kit is specifically designed for 2-stroke engines with a displacement of 249cc. It features an Electra-Coated crown, ring groove(s), and pin bores, along with ArmorGlide® skirt coating. This combination offers maximum wear resistance and protects against micro-welding, galling, and detonation, extending the life of your engine. The kit includes extra lightening operations to enhance throttle response, providing quicker acceleration and improved overall performance. Crafted from high-quality 4032 Aluminum Alloy, the piston is forged and machined to exacting standards. Installation is straightforward, making it a perfect upgrade for both enthusiasts and professionals looking to maximize their engine's potential. The standard bore size is 66.40 mm, with a piston diameter of 66.35 mm and a stroke length of 72.00 mm.
Features & highlights
- Electra-Coated crown, ring groove(s), and pin bores maximize wear resistance.
- ArmorGlide® skirt coating provides superior protection against micro-welding and galling.
- Designed for endurance and sustained high RPM 2-stroke riding.
- Extra lightening enhances throttle response for quicker acceleration.
- Forged and machined in the USA from high-quality 4032 Aluminum Alloy.
- Complete kit ensures all necessary components are included for a seamless installation.
- Optimized for 249cc 2-stroke engines.
Technical specifications
- Brand: Wiseco
- Product Name: Piston with Gaskets Kit
- Vendor Part Number: PK1381
- Engine Type: 2-Stroke
- Displacement: 249 cc
- Bore Size: 66.40 mm
- Piston Diameter: 66.35 mm
- Stroke Length: 72.00 mm
- Bore - Oversize: Standard
- Piston Material: 4032 Aluminum Alloy
- Skirt Coating: ArmorGlide®
- Type: Top End
- Units: Kit
Important to know
This kit includes the piston(s), ring set, wrist pin(s), circlips, bearing(s), and gaskets required for a top-end rebuild. Please ensure 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
PK1381
Piston with Gaskets Kit
66,40 mm
249 cc
4032 Aluminum Alloy
72,00 mm
66.35 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.

