General description The For 3 Dual Z Upgrade Kit is designed to enhance the performance of your 3D printer by converting it to a Dual Z mode. This upgrade kit includes a high-quality all-aluminum coupling and an original 42-34 stepper motor, ensuring smooth operation and improved accuracy. It is compatible with various models including 3, 3 Pro, and 3 V2, providing a cost-effective solution to prevent the X rack from shaking and enhancing the overall stability of your 3D printing process. Technical specifications Stepper Motor: Original 42-34 Material: Metal + Plastic Measurement allowed error: +/- 1-3 cm Installation Turn off the printer and unplug the power cord. Remove the power supply using a hex wrench to unscrew it. Install the coupler on the stepper motor and tighten the screws. Fix the motor on the aluminum profile using hexagon socket screws and the Z Axis Motor bracket. Remove screws from the sheet metal pulley on the right side of the X. Fix the Z-sheet metal with long