SHS super hi speed full gear set (14:1)

New full set with super hi speed polished steel set available (1 shot each 14 turn of bevel gear)
sector gear with double steel construction (more durable)
bevel and spur gear with thermal treatment
the set includes:

-hi speed gears
-hi speed piston
-sp100 spring
-hi speed motor

fits all kind of ver.2 gar box