Description
When your 2-stroke top-end is worn, you’re losing power, throttle response, and reliability. The Wiseco PK1644 restores your KTM 105 SX to factory performance specs with aerospace-grade components engineered for competitive racing and trail riding alike. This complete rebuild kit eliminates guesswork—everything you need is included, so you can get back on track faster.
- Bore Diameter: 52.00 mm
- Piston Material: 4032 aluminum alloy
- Piston Type: Pro-Lite
- Vehicle Fitment: KTM 105 SX 2010–2011
- Kit Contents: Piston, rings, wrist pin
- Included: Circlips, gasket kit
- Installation: Engine rebuild required
- Manufacturer Part Number: PK1644
