| 1987-1989 Chevrolet P20 (Liter: 5.7 & Cylinder: 8 & Block: V & Fuel Delivery: FI) |
| 1987-1996 Chevrolet P30 (Liter: 5.7, 4.3, 7.4 & Cylinder: 8, 6 & Block: V & Fuel Delivery: FI |
| Qualifier: without School Bus Package, Except Motorhome Chassis, without 80 Gallon Tank) |
| 1988-1989 GMC P2500 (Liter: 5.7 & Cylinder: 8 & Block: V & Fuel Delivery: FI) |
| 1988-1996 GMC P3500 (Liter: 5.7, 4.3, 7.4 & Cylinder: 8, 6 & Block: V & Fuel Delivery: FI |
| Qualifier: without School Bus Package, Except Motorhome Chassis, without 80 Gallon Tank) |
