Fits 24V VVT Engine.; 3.21 Rear Axle Ratio; Sedan/Quad Cab Short Wheelbase; 8-Spd Auto 845RE Trans; Lt. Duty 4WD or 24V VVT Engine.; 3.21 Rear Axle Ratio; Regular Cab; 8 Foot Bed; 8-Spd Auto 845RE Trans; Lt. Duty 4WD or 24V VVT Engine.; 3.21 Rear Axle Ratio; Regular Cab; 6.5 Foot Bed; 8-Spd Auto 845RE Trans; Lt. Duty 4WD or 24V VVT Engine.; 3.21 Rear Axle Ratio; Crew Cab; 6'4" Box; 8-Spd Auto 845RE Trans; Lt. Duty 4WD or 24V VVT Engine.; 3.21 Rear Axle Ratio; Crew Cab; 5'7" Box; 8-Spd Auto 845RE Trans; Lt. Duty 4WD (Only 1 Remaining)