TeraFlex JL: Alpine IR Short Arms provide complete alignment adjustability and dependability for maximum performance on JL Wrangler/Unlimited models with 0-4.5 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 (# 1416530)
  • Arm Pair - Front Lower (# 1416550)
  • Arm Pair - Rear Upper (# 1416570)
  • Arm Pair - Rear Lower (# 1416580)

Fitment:

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

Specs:

• Lift Height: 0-4.5 Inch

Control Arm Specs:

• JL / JT: Alpine IR Short Arm Pair - Front Upper (# 1416530):
  • Tube Diameter & Wall: 42mm x 4mm
  • Factory Length: 20.185 Inch
  • Min. Length: 20 Inch
  • Max. Length: 21 Inch
  • Bolt - Both: 12mm
  • IR Bushing - Axle: # 611018
  • IR Bushing - Frame: # 611017
• JL / JT: Alpine IR Short Arm Pair - Front Lower (# 1416550):
  • Tube Diameter & Wall: 42mm x 4mm
  • Factory Length: 24 Inch
  • Min. Length: 24 Inch
  • Max. Length: 25-1/4 Inch
  • Bolt - Both: 16mm
  • IR Bushing - Both: # 611020
• JL: Alpine IR Short Arm Pair - Rear Upper (# 1416570):
  • Tube Diameter & Wall: 42mm x 4mm
  • Factory Length: 17.425 Inch
  • Min. Length: 17-3/8 Inch
  • Max. Length: 18-1/2 Inch
  • Bolt - Both: 14mm
  • IR Bushing - Both: # 611016
• JL: Alpine IR Short Arm Pair - Rear Lower (# 1416580):
  • Tube Diameter & Wall: 42mm x 4mm
  • Factory Length: 19-3/4 Inch
  • Min. Length: 19-13/16 Inch
  • Max. Length: 21-1/16 Inch
  • Bolt - Both: 14mm
  • IR Bushing - Both: # 611015