40-60 Medium Duty 22 70-80 Heavy Duty 22 Bel Air 55 Biscayne 44 C10 Panel 31 C10 Pickup 36 C20 Pickup 37 C30 Panel 31 C30 Pickup 37 C40 28 C50 28 C60 28 C80 25 Chevy II 51 Corvair 43 Corvair Truck 12 Corvan 29 Corvette 59 Impala 59 K10 Pickup 37 K20 Pickup 38 Nova 53 P10 Series 30 P20 Series 30 P30 Series 31 Suburban 37