https://hotrodhotline.com/forsale/vehicles/gmc/1500_series/1988 1988 GMC 1500 Series for sale on Hotrodhotline https://hotrodhotline.com/forsale/vehicles/gmc/1500_series/1988/listing/245702 1988 GMC 1500 (OBS), 5.3 LS with 60k miles on it. Did all correct conversions on the LS swap. Rebuilt 4160 transmission, A/C blows cold air, new paint, new beltech lowering kit, custom c-notch, new wheels and tires. Please Note The Following **Vehicle Location is at our clients home and Not In Cadillac, Michigan. **We do have a showroom with about 25 cars that is by appointment only **Please Call First and talk to one of our reps at 231-468-2809 EXT 1 ** FREE Consignment Visit Our Site Today Easy To List Your Vehicle and Get it Sold in Record Time. 1988 GMC 1500 Series