This Jig will help you build the perfect Ball Diff every time!!

Place in between the ball diff outdrives and try and turn over to check the tension.

As an added feature, -1deg and -2deg Camber built into each side for quick camber checks before each run! Made in the USA!

Measures 3" wide and 4" tall, the perfect size for most 1/10-1/8 tires!