40-60 Medium Duty 19 70-80 Heavy Duty 14 Bel Air 53 Biscayne 47 C10 Panel 24 C10 Pickup 34 C20 Panel 24 C20 Pickup 35 C30 Pickup 34 Camaro 78 Caprice 50 Chevelle 72 Chevy II 54 Corvair 30 Corvette 58 El Camino 59 G10 Van 22 G20 Van 23 Impala 58 K10 Pickup 32 K20 Panel 25 K20 Pickup 32 Malibu 54 Nova 55 P10 Series 21 P20 Series 24 P30 Series 24 Suburban 28