The gears are equipped with a custom motorized design that spins the gears just like on a real engine. Timing Set fits engine sizes: 283, 305, 327, 350 and 400 engines. 

Comes with a brand new piston base. The linkage on the back is 3D printed from very strong PETG filament.

This is a great gift idea for any Autobot (or girl) or any gear head.

*This chrono chain clock can be placed on any flat surface with the included stand. This clock cannot be hung on the wall.

*Patent-pending modular design allows for easy replacement of the motor, clock mechanism, hands, and even the clock face! (Replacement modular parts ship free)

*Clock is quartz movement and runs on AA batteries.

* The motorized swivel gear flows from a plug that plugs into any 120-volt household outlet with a wall adapter. It can also be plugged into any USB port on a device such as a laptop.

*6"W x 12"H Clock

*Hands are detached to prevent damage during shipping. They will come with step-by-step instructions on how to assemble. Just push one, put a nut on the other, and push the last. very simple.

**This design is patent pending