'67 Barracuda Rear Leaf Spring Lowering Kit

Lelo Dart said

Mopar: NEW A and E-Body Rear Leaf Spring Hangers Cuda Challenger AAR T/A R/T
These are better than lowering blocks and will lower your ride 1".

Click to expand...

Except those have a 5/8" hole for the spring bolt. If he's got stock springs they have a 1/2" spring bolt.