5.7L - 8-cyl ( Description: 5.7L 8-cyl Engine Code [R]; Fuel: Gasoline; Engine Code: [R]; )
6.5L - 8-cyl ( Description: 6.5L 8-cyl Engine Code [Y] HD; Fuel: Diesel; Engine Code: [F]; )
7.4L - 8-cyl ( Fuel: Gasoline; Engine Code: [J]; )