TeraFlex JK: Alpine IR Short Control 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. Can be added to any existing suspension lift.
Our innovative IR Bushings provide unrestricted rotation and flex as well as excellent NVH damping. These maintenance-free bushings improve on- and off-road ride quality and performance.
Fits:
- JK Wrangler (2 Door)
- JK Wrangler Unlimited (4 Door)
- 2-4 inch Lift
Includes:
- Alpine IR Short Control Arms - Adjustable:
- Front Upper (part number 1415570) - pair
- Front Lower (part number 1415580) - pair
- Rear Upper (part number 1415590) - pair
- Rear Lower (part number 1415600) - pair
Features and Benefits:
- JK Alpine IR Short Control Arms:
- Adjustable Alpine IR Short Control Arms balance front caster angle and pinion angles as well as optimize rear pinion angle and tune anti-squat geometry for proper suspension alignment on 2-4 inch lift kits
- Alpine IR Short Control Arms are constructed from durable 42mm x 4mm wall DOM tube for maximum strength
- Bolts to the factory control arm mounting brackets
- Install and drive simple bolt-on installation - no welding required
- JK Alpine IR Control Arms (all):
- Re-centers axles in the wheel well for proper suspension movement. Can also be used to increase wheelbase
- Full range of movement will not restrict articulation or flex off-road
- Innovative IR Bushings provide unrestricted rotation and flex as well as excellent NVH damping
- Maintenance-free IR Bushings improve on- and off-road ride quality and performance
- Zero maintenance forged threaded joints for smooth quiet flex
- Premium black e-dipped coating on tube and forged rod end housing provides superior durability and corrosion resistance
- Anodized 6061-T6 aluminum clamp collar to secure rod end after length adjustment
- TeraFlex Lifetime Warranty against defects
Short Control Arm Specs:
- JK: Alpine IR Short Control Arm Kit - Front Upper (part number 1415570):
- Tube Diameter and Wall: 1-5/8 inch x 0.157 inch (42mm x 4mm)
- Factory Length = 18-3/4 inch
- Min. Length = 18-1/2 inch
- Max. Length = 19-3/4 inch
- Both Ends = 7/16 inch (12mm) Bolt
- Thread = 1-1/4 inch-12 UNF
- JK: Alpine IR Short Control Arm Kit - Front Lower (part number 1415580):
- Tube Diameter and Wall: 1-5/8 inch x 0.157 inch (42mm x 4mm)
- Factory Length = 22-5/8 inch
- Min. Length = 22-3/4 inch
- Max. Length = 24 inch
- Both Ends = 9/16 inch (14mm) Bolt
- Thread = 1-1/4 inch-12 UNF
- JK: Alpine IR Short Control Arm Kit - Rear Upper (part number 1415590):
- Tube Diameter and Wall: 1-5/8 inch x 0.157 inch (42mm x 4mm)
- Factory Length = 17-7/16 inch
- Min. Length = 17-5/8 inch
- Max. Length = 18-7/8 inch
- Both Ends = 9/16 inch (14mm) Bolt
- Thread = 1-1/4 inch-12 UNF
- JK: Alpine IR Short Control Arm Kit - Rear Lower (part number 1415600)
- Tube Diameter and Wall: 1-5/8 inch x 0.157 inch (42mm x 4mm)
- Factory Length = 19-3/4 inch
- Min. Length = 19-13/16 inch
- Max. Length = 21-1/16 inch
- Both Ends = 9/16 inch (14mm) Bolt
- Thread = 1-1/4 inch-12 UNF
Note(s):
- Alignment required.
- Install Time: 5 Hours
- universal:
- No
- Brand Logo:
- https://www.asapnetwork.org/sites/default/files/brands/icons/TeraFlex-Logo-1.jpg
- Color:
- Black
- Installation Time:
- 4 Hours
- Last Update:
- 2025-10-09 09:24:30
- Lift Height:
- 2-4 Inch Lift
- Sold As:
- Kit
- Vehicle Type:
- Jeep
- California Prop 65 Notice:
- WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is 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/
- Fitment:
- Direct Fitment
- Greaseable:
- No
- Installation Difficulty:
- Intermediate Requires some Automotive knowledge
- Application Notes:
- JK Alpine IR Short Arm Kit - 8-Arm
- Series:
- Alpine
- Life Cycle Status Description:
- Available to Order
