Matching precision
Piston skirt size |
-0.02~~-0.03mm |
Ring Grove Height |
+0.005~+0.015mm |
Pin-hole diameter |
+0.002~+0.008mm |
Pin hole roughness |
Ra0.4 |
Verticality of pin hole to skirt shaft |
100: 0.035 |
Base on the above matching precision our piston takes a excellent using performance