E&L full mechabox set for ak electric gun (sp120)

New reinforced version full set
replace model ready to install on ak/ak74 series

included parts:
-wire set with fuse box
-torque gear set
-reinforced piston and psiton head
-sp120 spring
-hi torque 170 motor with max power and speed
compatible with E&L, Marui, g&g, g&p, ka etc...