[jonboy77]

When lowering your upper trailer arms do you have to shorten your drive shaft? I have a 77 cadillac coupe

 

[Hater Hurter]

Yes, lower the uppers, extend them and shorten your drive shaft or get a slip yoke......slip yoke is your best bet.

 

[flaked85]

who sells slip yokes for g-bodys

 

[83caddyhopper]

try blackmagic hydraulics