High-performance gravity-cast replacement top-end piston kit engineered to restore compression and crisp throttle response. Manufactured from a high-silicone aluminum alloy with a friction-reducing Molybdenum Disulphide skirt coating for a faster break-in and extended component life.
Specs & Details
- Manufacturer Part Number: 175-22991A
- Brand Number: 22991A
- Component Type: Cast Replica Top End Piston Kit (Includes piston, rings, wrist pin, circlips, gaskets, and wrist pin bearing)
- Size / Bore: Standard (51.95 mm)
- Material & Construction: Gravity-cast high-silicone aluminum alloy with T-5 heat treatment and MoS2 skirt coating
Two-Stroke Vehicle Fitment
| Make | Model | Engine Type | Year Range |
| KTM | 105 SX | Two-Stroke Mini Motocross | 2004–2011 |
TSO Garage Note
An all-in-one top-end refresh kit for keeping your KTM 105 SX screaming at peak power. Including matching gaskets and bearings alongside the precision-cast, coated piston makes routine overhauls efficient and dependable.
If you like, I can pull together additional top-end kit options or gasket sets for other displacement sizes. Do you want me to do that?
