I have a vintage air kit waiting to go in my 48 6400. Did a lot of research and reading for a few years before purchasing, seems most everyone with Vintage Air is pleased, and the service and support is supposed to be the best. I think the price is quite good but not dirt cheap either.

Grigg

•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
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-