WISECO - 824M06640 - Piston Kit - 66.40 - Gas Gas | Husaberg | Husqvarna | KTM
The top end is where power is made and where cut corners come back to haunt you. For 66.40 / Gas Gas | Husaberg | Husqvarna | KTM engines, the WISECO 824M06640 piston kit offers a rebuild-ready solution manufactured to exceed OEM tolerances. Endurance and high rpm. Each piston is electra-coated on the dome, ring groove, and pin bore, for maximum wear resistance and protection from micro-welding, galling and detonation. Displacement: 249 cc. Run it with quality rings and fresh gaskets, and the 824M06640 gives you a bottom end rebuild that lasts.
Features
- Endurance and high rpm
- Each piston is electra-coated on the dome, ring groove, and pin bore, for maximum wear resistance and protection from micro-welding, galling and detonation
- GP Series parts generally have less machining on the outside, which helps seal up the bore for increased compression
- ArmorGlide® skirt coating reduces friction and noise for more horsepower potential
- Kit includes piston, ring(s), wrist pin and circlips
- Engineered, forged, and machined in the USA
Specifications
- Displacement: 249 cc
- Product Name: Piston Kit
- Skirt Coating: ArmorGlide®
- Riding Style: Adventure Touring / Dual-Sport
- Stroke Length: 72.00 mm
- Piston Diameter: 66.32 mm
- Piston Material: 4032 Aluminum Alloy
- Bore - Oversize: Standard
- Model: GP Series
- Piston Material: Forged
- Engine Type: 2-Stroke
- Type: Single Ring
- Units: Kit
- Bore Size: 66.40 mm
- Type: Racers Choice
Frequently Asked Questions - WISECO - 824M06640 - Piston Kit - 66.40 - Gas Gas | Husaberg | Husqvarna | KTM
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.