JL: Alpine IR Control Arm Kit - Rear Upper Adjustable (0-4.5" Lift)

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  • Regular price $515.99

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TeraFlex JL: Alpine IR Control Arms provide complete alignment adjustability for maximum performance on JL Wrangler/Unlimited models with 0-4.5" lifts. Uses factory control arm brackets. Includes our innovative IR (Independent Rotation) Bushings. Can be added to any existing suspension lift.


• JL Wrangler (2-door)
• JL Wrangler Unlimited (4-door)

• 0-4.5" Lift

Control Arm Specs:

• Tube Diameter & Wall = 42mm x 4mm
• Factory Length = 17.425"
• Min. Length = 17-3/8"
• Max. Length = 18-1/2"
• Both Ends = 14mm Bolt


Alpine IR Control Arm - Adjustable:
• Driver Rear Upper (# XXXXXXX)
• Passenger Rear Upper (# XXXXXXX)

Features & Benefits:

• Durable 42mm x 4mm wall DOM (Drawn Over Mandrel) tube provides maximum strength
• Adjustable Alpine IR Control Arms optimize caster angle and tune anti-squat geometry for proper suspension alignment
• 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, maintenance-free, IR (Independent Rotation) Bushings provide unrestricted rotation and flex as well as excellent NVH damping and ride quality characteristics
• Zero maintenance forged threaded joints for smooth quiet flex
• Premium black e-dipped coating provides superior durability and corrosion resistance on tube and forged rod end housing
• Anodized 6061-T6 aluminum clamp collar to secure rod end after length adjustment
• TeraFlex Lifetime Warranty against defects


• Alignment required.

Install Time: 2 Hours


• Alpine IR Control Arm - 8-Arm Adjustable: (# 1416510)

• Front Upper (# 1416530) - pair
• Front Lower (# 1416550) - pair
• Rear Upper (# 1416570) - pair
• Rear Lower (# 1416580) - pair