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Teraflex Alpine RT6 6in Long Arm Suspension System - JK 2dr
Teraflex Alpine RT6 6in Long Arm Suspension System - JK 2dr

Teraflex Alpine RT6 6in Long Arm Suspension System

JK 2dr

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Features & Product Details


For the Jeeper Who Wants it All


The boss of all Terflex kits, 6" Alpine RT6 Long Arm Suspension System is engineered for your Jeep Wrangler JK. It tackles any terrain or cruises on the highway with superior ride quality. This kit builds on the already capable Alpine CT (Cross-Trail) Suspension Systems. These systems include all top-of-the-line components. It improves steering response center the axles to optimize vehicle roll center and reduce body roll for unsurpassed handling. Correct steering geometry eliminates front-end shimmy and reinforces the frame. TeraFlex suspension systems provide reduced noise vibration and harshness (NVH). The results are a noticeable ride and handling improvement.

Does NOT include shocks. Recommend Falcon Performance Shocks. Falcon shock absorbers and TeraFlex lift coil springs have been engineered together to improve both compression and rebound for optimal vehicle stability. 


  • 6” Lift Coil Springs
  • 0.5" Lift Coil Spring Spacers
  • Alpine Long IR Control Arm & Bracket Kit – 8-Arm (3-6” Lift)
  • HD Forged Adjustable Front Track Bar (0-6” Lift)
  • HD Forged Adjustable Rear Track Bar (0-6” Lift)
  • HD Drag Link Flip w/ Track Bar Bracket/Frame Brace Kit (
  • Front Track Bar Bracket Gusset
  • Rear Track Bar Axle Bracket Kit (3-6” Lift)
  • Speedbump & Progressive Bump Stop Ki
  • 1.25” SpeedBump Front Lower Bump Stop Pad Kit
  • 0.75” SpeedBump Rear Lower Bump Stop Strike Pad Kit
  • 12.25” Front Sway Bar Quick Disconnect Kit (6” Lift)
  • 14.75” Rear Sway Bar Link Kit (6” Lift)
  • 26” Front Brake Line Kit  
  • 30” Rear Brake Line Kit 
  • Front Brake Line Anchor Kit  
  • Exhaust Spacer Kit  
  • All necessary hardware
  • RT Long Arm Suspension Systems Features:

  • HD Drag Link Flip Kit w/ Front Track Bar Drop Bracket & Frame Brace Kit corrects steering geometry, eliminates front end shimmy, and reinforces the frame
  •  Adjustable Alpine IR Long Control Arms & Brackets balance front caster angle and pinion angles 
  • Alpine IR Long Control Arms are constructed from durable 42mm x 4mm (upper) or 50mm x 5mm (lower) wall DOM tube for maximum strength
  • On higher lifts, Alpine Long Arm Brackets reposition frame-end control arm mounting points to restore near factory orientation 
  • Alpine Long Arm Brackets are gusseted and reinforced for superior strength w/ reduced NVH compared to other long arm kits
  • Delivers true Rogue Trail (RT) performance
  • Dependable performance w/ zero worries
  • Positive, responsive handling w/ reduced NVH
  • 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
  • HD Forged Adjustable Front and Rear (4"+) Track Bars and Rear Track Bar Bracket improve steering response
  • Front SpeedBump and rear Progressive Bump Stops provide progressive compression during high-speed suspension movement
  • Coil spring retainers prevent the springs from unseating during full suspension travel
  • Full range of movement for off-road flex and articulation
  • TeraFlex Limited Lifetime Warranty against defects


    Requires aftermarket wheels w/ 4.75” backspacing or less – or Offset Wheel Adapters (# 1055000) for stock wheels – NOT INCLUDED.

    Requires driveshaft modifications such as high-Angle Rzeppa CV Driveshafts or our High-Angle Rzeppa CV Joint Kit (# 1744014).

    Requires cutting/removal of factory control arm bracketry to install Alpine Long Arm Brackets.

    Requires cutting and welding.

    Alignment required.

    Requires longer shocks (NOT INCLUDED in base kit) – Falcon Performance Shocks recommended.

    Install Time: 24 HoursFor the Jeeper Who Wants it All

    Product Video


    Brand: Teraflex
    Kit Package: Yes
    Mfgr. Warranty: See individual parts for warranty information.
    Condition: New Product
    Return Policy:



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