This HJ190 60mm high-performance engine piston is specially designed for motorcycle engine repair, replacement and upgrade. It adopts advanced surface treatment technology to provide stronger wear resistance, higher heat resistance and more stable operation. The top of the piston is treated with micro-arc oxidation (MAO), which forms a high-hardness protective layer to resist high temperature and reduce abrasion. The skirt is processed with silk-screen technology to improve lubrication fit, reduce friction and ensure smooth movement in the cylinder.
Made of high-quality aluminum alloy with precise machining, this piston offers stable size, reliable sealing and long service life. It is a direct replacement part that matches the original engine structure perfectly. Suitable for daily use, engine maintenance and performance improvement for corresponding motorcycle models.
| Item | Specification |
|---|---|
| Model | HJ190 |
| Diameter | 60mm |
| Surface Treatment | Micro-Arc Oxidation (Top), Silk-Screen (Skirt) |
| Material | High-Strength Aluminum Alloy |
| Application | Motorcycle Engine |
| Type | Replacement / Upgrade Piston |
Please confirm your engine model and piston diameter (60mm) before ordering. Professional installation is recommended.