If you are using your stock leaf spring rear suspension and you have added horsepower to your engine; then you need to add an adjustable . . .
Reproduction rear axle identification tags for 8-3/4" and Dana 60 rear axles. These tags identify the gear ratio correct lubrication to use for the limited slip . . . More
Factory-style replacement rear axle pinion snubber for most Dodge/Plymouth models from 1970-74 . . .
We regularly add more muscle car restoration parts to our website. We probably have the parts you are looking for, but they may not be posted here yet - contact us and tell us what you need.