⚠️ WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
TeraFlex JK: Alpine IR Short Arms provide complete alignment adjustability and dependability for maximum performance on JK Wrangler/Unlimited models with 2-4 Inch Lifts. Bolts to the factory control arm mounting brackets.
Our innovative, maintenance-free IR Bushings provide unrestricted rotation and flex as well as excellent NVH damping to improve on- and off-road ride quality and performance. Can be added to any existing suspension lift. Includes:
Alpine IR Short Arm Pairs:
Arm Pair - Front Upper (# 1415570)
Arm Pair - Front Lower (# 1415580)
Arm Pair - Rear Upper (# 1415590)
Arm Pair - Rear Lower (# 1415600)
Fitment:
JK Wrangler (2-door)
JK Wrangler Unlimited (4-door)
Specs:
Lift Height: 2-4 Inch
Control Arm Specs:
JK: Alpine IR Short Arm Pair - Front Upper (# 1415570):
Tube Diameter & Wall: 42mm x 4mm
Factory Length: 18-3/4 Inch
Min. Length: 18-1/2 Inch
Max. Length: 19-3/4 Inch
Bolt - Both: 12mm
IR Bushing - Axle: OEM
IR Bushing - Frame: 611017
JK: Alpine IR Short Arm Pair - Front Lower (# 1415580):
Tube Diameter & Wall: 42mm x 4mm
Factory Length: 22-5/8 Inch
Min. Length: 22-3/4 Inch
Max. Length: 24 Inch
Bolt - Both: 14mm
IR Bushing - Both: 611015
JK: Alpine IR Short Arm Pair - Rear Upper (# 1415590):
Tube Diameter & Wall: 42mm x 4mm
Factory Length: 17-7/16 Inch
Min. Length: 17-5/8 Inch
Max. Length: 18-7/8 Inch
Bolt - Both: 14mm
IR Bushing - Both: 611016
JK: Alpine IR Short Arm Pair - Rear Lower (# 1415600):