JK Complete 8 Adjustable Alpine IR Flexarm Kit
TeraFlex JK: Alpine IR Short Control Arms provide complete alignment adjustability and dependability for maximum performance on JK Wrangler/Unlimited models with 2-4" lifts. Bolts to the factory control arm mounting brackets.
Key Features
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.
Features & 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" 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
Fits
JK Wrangler (2-door)
JK Wrangler Unlimited (4-door)
2-4" Lift
Control Arm Specs
JK: Alpine IR Short Control Arm Kit – Front Upper (# 1415570)
Tube Diameter & Wall: 1-5/8" x 0.157" (42mm x 4mm)
Factory Length = 18-3/4" • Min. Length = 18-1/2"
Max. Length = 19-3/4"
Both Ends = 7/16" (12mm) Bolt
Thread = 1-1/4"-12 UNF
JK: Alpine IR Short Control Arm Kit – Front Lower (# 1415580)
Tube Diameter & Wall: 1-5/8" x 0.157" (42mm x 4mm)
Factory Length = 22-5/8"
Min. Length = 22-3/4"
Max. Length = 24"
Both Ends = 9/16" (14mm) Bolt
Thread = 1-1/4"-12 UNF
JK: Alpine IR Short Control Arm Kit – Rear Upper (# 1415590)
Tube Diameter & Wall: 1-5/8" x 0.157" (42mm x 4mm)
Factory Length = 17-7/16"
Min. Length = 17-5/8"
Max. Length = 18-7/8"
Both Ends = 9/16" (14mm) Bolt
Thread = 1-1/4"-12 UNF
JK: Alpine IR Short Control Arm Kit – Rear Lower (# 1415600)
Tube Diameter & Wall: 1-5/8" x 0.157" (42mm x 4mm)
Factory Length = 19-3/4"
Min. Length = 19-13/16"
Max. Length = 21-1/16"
Both Ends = 9/16" (14mm) Bolt
Thread = 1-1/4"-12 UNF