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Teraflex Adjustable Rear Lower Alpine Flexarm - 0-4.5 Driver Single - 2007-2021 Jeep Wrangler JK JL JKU JLU

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TeraFlex JL/JLU|JK/JKU Alpine Flexarm adjustable control arms provide maximum adjustability, dependability, and performance while retaining factory control arm mounting locations on JK Wrangler and JKU Wrangler Unlimited models with 0-4.5 inch or 2-4 inch lifts. Can be added to any existing suspension lift.


  • JL Wrangler (2-door)
  • JLU Wrangler Unlimited (4-door)
  • Lift Height: 0-4.5 inches
  • And
  • JK Wrangler (2-door)
  • JKU Wrangler (4-door)
  • Lift Height: 2.4 inches

Flexarm Specs:

  • Tube Diameter and Wall: 1.625 inch x 0.157 inch (42mm x 4mm)
  • Factory Length: 19.75 inches
  • Min. Length: 19.8125 inches
  • Max. Length: 21.0625 inches
  • Both Ends: 9/16 inch (14mm) Bolt
  • Thread: 1.25 inch-12 UNF
  • Both Bushings: P/N 611011


  • Alpine Flexarm - driver side rear lower adjustable control arm
  • Sold individually

Features and Benefits:

  • Durable 1.625 inch x 0.157 inch (42mm x 4mm) wall DOM (Drawn Over Mandrel) tube provides maximum strength (upper long control arms)
  • Fully-adjustable Alpine Flexarm control arms optimize pinion and caster angles, and tune anti-squat geometry for proper suspension alignment
  • Re-centers axles in the wheel well for proper suspension movement or can be used to increase wheelbase
  • Full-range of movement will not restrict articulation or flex off-road
  • High-quality factory style bushings provide excellent noise, vibration, and harshness (NVH) damping and ride quality characteristics w/ zero maintenance
  • 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


  • Alpine Flexarm Kit - Rear Upper Adjustable Control Arms (P/N 1415540) available as a set
  • Alpine Flexarm - Passenger Side Rear Upper Adjustable Control Arm (P/N 1141551) available separately
  • Replacement Bushing for both ends (P/N 611011) available separately
  • Install Time: 1.5 Hours
  • SKU: 1141541

Teraflex Adjustable Rear Lower Alpine Flexarm - 0-4.5 Driver Single - 2007-2021 Jeep Wrangler JK JL JKU JLU fits the following vehicles:

  • 2018 Jeep Wrangler JL
  • 2019 Jeep Wrangler JL
  • 2020 Jeep Wrangler JL
  • 2021 Jeep Wrangler JL