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