With a hand half full of tools and a big hammer, and of course The Stovebolt Page you could do it yourself.
And perhaps even have fun.
It could be a bonding experience for you and your truck. Unless you use a rivited clutch disk......

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-