Part Notes: 2WD, Regular Cab, 6.4 Liter, W/O Rr Air Shocks;4WD, W/O Electronic Disconnect, Crew Cab, W/O Rr Air Shocks, 6.7 Liter;4WD, W/O Electronic Disconnect, Crew Cab, W/Rr Air Shocks, Long Box, 6.4 Liter;4WD, W/O Electronic Disconnect, Mega Cab, 6.4 Liter, W/Rr Air Shocks;4WD, W/O Electronic Disconnect, Mega Cab, 6.7 Liter, Mega Cab, 6.7 Liter;4WD, W/O Electronic Disconnect, Regular Cab, 6.4 Liter, W/Rr Air Shocks;4WD, W/O Electronic Disconnect, Regular Cab, 6.7 Liter, Regular Cab, 6.7 Liter