I just put a TCI under my 48 GMC Panel. I replaced the AMC Pacer front suspension. I used the standard spindles. The standard offset 15X7's didn't work with the new suspension because the track is about 5 total inches narrower, so now my truck as 10's and 295/50's all the way around. Its a different look than lowered, but is tuff! Don't know about the airbags, but the reseller I purchased from may know. He definitely has the best prices: Tims Specialty Hot Rod Parts in Spokane Valley, Washington. 509-926-1429
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