Stage IV Motors & Gearboxes for C7 Corvette, Mustang, & Porsche GT3 Category_Steering Columns & Handlebars This one is originall from

This one is originall from model FJJ63

Select your rear axle using the pulldown based on the length of your current one

Originally from model GWX91

The nylon first gear is compatible with standard and hardened steel 15 tooth pinion gears including those on factory stock motors

Stage IV Motors & Gearboxes for C7 Corvette, Mustang, & Porsche GT3 Category_Steering Columns & Handlebars This one is originall fromThis is the Stage IV Motor Gearbox kit for the Mustang, Porsche GT3, and C7 Corvettes McQueens that started life as 12v. The Stage IV kit is specifically designed for vehicles running at 18 or 24 volts. The Massive 775 motors provide insane amounts of torque for off road and handle 24 volt loads without a care. The weakest link in the gearbox, the First Gear, has been replaced with a hardened steel first gear which also has 2 ball bearings for maximum