Still waiting on the title but the registration says 1969. Definitely a Napco conversion. The front axle has a Napco tag on it. The glove box tag is badly damaged but here is what I have. CE639P810550 DD C=Conversion Cab 96” BBC Series 10-60 E=V8 gas 6=GVW range 19000-45000# 3=Hydraulic brakes, chassis cab 9=Model year 1969 P=Pontiac Plant 810550=Unit # Options on glove box door: Q64AG 20 x 7.58 tires H66GG —1850-LB. SINGLE SPEED AXLE 7.17 RATIO L43GE — 427 V8 F96AA 11000# front springs 660GB — Dual Axle? N40VD — Hydraulic Power Steering 50DH 5BA The last four entries are partially obscured. Pitman Unidyne II Turret-Hot Stik Model HS 46 HA 12