Replacing cab and transmission mounts on my 1966 c10. I went with energy suspension. It’s my first time using there products and everything worked out great. Here are the links to part numbers I used.
Cab mounts
https://www.summitracing.com/parts/ens-3-4137g
Transmission mounts
https://www.summitracing.com/parts/ens-3-1106g
Radiator support mounts
https://www.classicparts.com/1960-68-Radiator-Support-Mounting-Kit/productinfo/78-625/