Factory Control Arm Type
GM is producing several knuckle/control arm configurations in 2014-2018 models trucks. Cast Steel control arm equipped models will require the "Cast Steel Control Arm" kit. Stamped Steel and Aluminum control arm equipped models will require the "Aluminum Control Arm" kit. Be sure to verify which factory control arms your truck has before ordering by referencing the help images in each tab below.
Recommended Tires & Wheels
- 33 x 12.5 with 17 x 8 and 4.5 in. Backspace
- 34 x 12.5 with 18 x 9 and 5 in. Backspace
- 35 x 12.5 with 20 x 9 and 5.75 in. Backspace
Fitment:
2014-2018 GM Sierra/Silverado 1500 4WD with Factory Cast Steel Control Arms
Important Notes
- Strut compressor required
- Requires frame bracket modification
- Requires differential modification to clear electric power steering
- Factory 17" and 18" wheels cannot be reinstalled due to tie rod end interference
- If choosing the 5" rear block option, add-a-leaf # 111209 is recommended for a more level/tail high stance on crew cab models.
- All wheel drive models require drive line modification.
Kit Includes
- 2014 Chevy 1500 5" Rear Block Kit (011505)
- 14-18 GM 1500 - 15-19 GM SUV Knuckle Box - Cast (021660)
- 14-18 GM 1500 - 15-19 GM SUV 1500 6" Frt Box Kit (1of2) (021662)
- 14-18 GM 1500 15-19 GM SUV 6" Frt Box Kit (2of2) (021663)
- 2014-2018 Chevy 1500 6" NX2 Strut Box Kit (98166)
- Fox 2.0 Shock 30.05 x 18.45 x 2- EB1/EB1 (FOX98224759 x2)