THIS IS A 1990 GMC K30 ORIGINAL 1 TON CREW CAB. NOTHING HAS BEEN BUTCHERED DURING THE CUMMINS INSTAL EVERYTHING WORKS LIKE IT SHOULD AND DRIVE ABSOLUTELY WONDERFUL WITH NO SHAKES YOU WONT FIND A NICER ONE!!!I PURCHASED THE TRUCK IN UTAH BROUGHT IT BACK AND STARTED WORKING ON IT. I INSTALLED A 5. 9 LITER 12 VALVE CUMMINS ENGINE WITH A 5 SPEED MANUAL TRANSMISSION A HEAVY DUTY VELAIR CLUTCH AND FLYWHEEL. WITH A DIVORCED NP 205 TRANSFER CASE ALL NEW THICK WALL DRIVE SHAFTS WERE BUILT USING ALL 1450 YOKES AND U-JOINTS WITH AMERICAN FORCE 22. 5 WHEEL ADAPTERS. IT HAS POLYURETHANE MOTOR MOUNTS AND TRANSMISSION MOUNTS 4:10 GEARS AND A 4" LIFT KIT MADE BY AB SPRING. THE TRUCK IS JUST AWESOME!!! IT GETS 18MPG WOULD DRIVE ANYWHERE IN THE COUNTRY AT ANYTIME THIS IS ONE OF THE LAST TRUCKS THAT WERE TRUELY BULLET PROOF!! THERE IS SO MUCH I REPLACED ALL NEW WINDOW MOTORS ALL NEW WINDOW SEALS THERES JUST TO MUCH TO LIST ITS EASIER IF YOU CALL!! INTERIOR IS IN GREAT SHAPE !THE LAST FEW PICTURES I ADDED WAS A TRIP I TOOK TO TEXAS HAULING 6. 00 POUNDS IN THE BED A 2. 00 MILE ROUND TRIP AVERAGED 18MPG AT 75MPH!! BUYER WONT BE DISAPPOINTED!!!IF YOU HAVE ANY QUESTIONS AT ANYTIME CALL ME JOHN @ 269. 217. 1193