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TeraFlex JT Gladiator: 3.5

TeraFlex JT Gladiator: 3.5" Alpine RT3 Short Arm Extended-Travel Suspension System - No Shocks

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TeraFlex Alpine RT (Rogue Trail) Suspension Systems build on our already capable Alpine CT (Cross-Trail) Suspension Systems. These systems include all our top-of-the-line components.

The 3.5" Alpine RT3 Short Arm Extended-Travel Suspension System's Alpine IR Short Control Arms, HD Forged Adjustable Track Bars, and Track Bar Brackets set the benchmark for short arm suspensions for maximum adjustability making them the perfect mix of performance and comfort. Carefully selected components safely provide 16" of rear suspension travel.

Adjustable Alpine IR Short Control Arms balance front caster angle and pinion angles as well as optimize rear pinion angles, anti-squat geometry, and tire position on vehicles with 0-4.5" lifts.

Independent Rotation (IR) Bushings remove bushing bind during full suspension travel for less overall bushing load during articulation resulting in unrestricted droop as well as a noticeable ride improvement whether on the highway or the trail.

HD Forged Adjustable Track Bars and Track Bar Brackets improve steering response, center the axles to optimize vehicle roll center, and reduce body roll for unsurpassed handling.

Extended-Travel Suspension Systems include carefully selected extended-travel components to safely provide 16" of rear suspension travel.

This results in improved suspension geometry and relaxed control arm angles for a superior ride quality and performance regardless of terrain. These systems restore front and rear roll axis angles to minimize brake dive and acceleration squat. TeraFlex suspension systems provide reduced noise, vibration, and harshness (NVH).

Alpine RT Suspension Systems are for the Jeeper who wants it all!

Does NOT include shocks. We 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. Falcon shock absorbers and steering stabilizers available separately.


Alpine RT3:
  • Lift Height: 3.5"
  • Sport/Overland Fenders: 35" Tires
  • Rubicon Fenders: 37" Tires
  • Adds Track Bar Brackets

RT Short Arm Extended-Travel:
  • 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 0-4.5" lift kits
  • Constructed from durable 42mm x 4mm wall DOM tube for maximum strength
  • Bolts to the factory control arm mounting brackets
  • Extended-Travel Axle Brackets, Driveline Lowering Spacers, Forged ST Sway Bar, and Extended-Travel Shock Accessory Kit safely provide 16" of rear suspension travel
  • Bolt-on Extended-Travel Axle Brackets install between factory axle mounts and rear upper control arms
  • Rear Coil Spring Retainers prevent the springs from unseating during full suspension travel

Roque Trail:
  • Delivers true Rogue Trail (RT) performance
  • Dependable performance w/ zero worries
  • Positive, responsive handling w/ reduced NVH
  • 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
  • HD Forged Adjustable Track Bars improve steering response, center axles to optimize vehicle roll center, and reduce body roll for unsurpassed handling
  • Front SpeedBump and Rear Progressive Bump Stops provide progressive compression during high-speed suspension movement
  • Features Front Sway Bar Quick Disconnects
  • Full range of movement for off-road flex and articulation
  • TeraFlex Limited Lifetime Warranty against defects
Max Tire Diameter:
  • Sport/Overland Fenders: 35" (w/ 3" front & 2.5" rear bump stops)
  • Rubicon Fenders: 37" (w/ 2" front & 2.5" rear bump stops)


  • Requires aftermarket wheels w/ 4.75" backspacing or less - or Offset Wheel Adapters for stock wheels - NOT INCLUDED.
  • Models with plastic bumpers require removal of bumper-to-fender wind deflector/splash guards to fit 35" or larger tires.
  • Sport/Overland fenders require 3" Front and 2.5" Rear Bump Stop/Strike Pad Extensions/Shims to fit 35" tires - INCLUDED.
  • Rubicon fenders require 2" Front and 2.5" Rear Bump Stop/Strike Pad Extensions/Shims to fit 37" tires - INCLUDED.
  • EcoDiesel models require 1" Lift Front Coil Spring Spacer Kit - NOT INCLUDED.
  • Alignment required.
  • Requires longer shocks (NOT INCLUDED) - Falcon Performance Shocks recommended.

What's Included

3.5" Lift Coil Spring Kits (Front: # 1873000 & Rear: # 1873100)
Alpine IR Short Control Arm Kit - 8-Arm (0-4.5" Lift) (# 1417550)
Extended-Travel Axle Bracket Kit - Rear Upper Control Arms (1"+ Lift) (# 1938225)
HD Forged Adjustable Track Bar - Front (0-6" Lift) (# 1753420)
HD Forged Adjustable Track Bar - Rear (0-6" Lift) (# 1764420)
Front Track Bar Axle Bracket (2.5-3.5" Lift) (# 1953250)
Rear Track Bar Axle Bracket (0-6.5" Lift) (# 1963600)
SpeedBump & Progressive Bump Stop Kit - Front & Rear (2.5-3.5" Lift) (# 1968352)
Front Sway Bar Quick Disconnect Kit (0-4.5" Lift) (# 1764000)
Forged ST Sway Bar Kit - Rear (2"+ Lift) (# 1774700)
1.5" Rear Driveline Center Support Mount Lowering Spacer Kit (# 4801000)
Extended-Travel Shock Accessory Kit (3.5"+ Lift) (# 4834100)
Coil Spring Retainer Kit - Rear Upper & Rear Lower (# 4954000)
Front Brake Line Anchor Kit (# 1101255)
Brake Line Anchor Kit - Rear (# 1101455)
All necessary hardware
And more


  • 2021 Jeep Gladiator 80th Anniversary 4WD
  • 2021 Jeep Gladiator High Altitude 4WD
  • 2021 Jeep Gladiator Mojave 4WD
  • 2021 Jeep Gladiator Overland 4WD
  • 2021 Jeep Gladiator Rubicon 4WD
  • 2021 Jeep Gladiator Sport 4WD
  • 2021 Jeep Gladiator Sport S 4WD
  • 2021 Jeep Gladiator Willys 4WD
  • 2021 Jeep Gladiator Willys Sport 4WD
  • 2020 Jeep Gladiator Altitude 4WD
  • 2020 Jeep Gladiator Launch Edition 4WD
  • 2020 Jeep Gladiator Mojave 4WD
  • 2020 Jeep Gladiator Overland 4WD
  • 2020 Jeep Gladiator Rubicon 4WD
  • 2020 Jeep Gladiator Sport 4WD
  • 2020 Jeep Gladiator Sport S 4WD

**This part fits a ton of vehicles, so let’s check to see if it fits yours. Don’t see it on the list above? No worries, type your vehicle in the search bar above to see the full list of compatible vehicles.**

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About Us
We are dedicated to helping you find the perfect fitment for your ride while also bringing you the highest quality, affordable aftermarket parts in the world! We are truck and car enthusiasts who build their dream rides with these very products.

Shipping times vary depending on item and immediate availability. Many suspension kits will ship out within 3-5 business days while some select items may take up to 7-10 business days. You will receive the tracking information via email as soon as it is available so you can easily track your package(s) from us, to your door. Keep in mind, some suspension components may ship separately and could arrive at different times. All shipping prices are based on the lower 48 states unless specified otherwise. Always inspect your items immediately upon receipt and notify us within 5 business days if there are any concerns, damages, or missing items.

All manufacturer warranties apply and we will support you as the customer in ensuring you get a quality product. For any questions or concerns please email info@customoffsets.com NOTE: Returns not related to a warranty issue may result in a 20% shipping, handling, and restocking fee. Please also note that you have 30 days from the delivery date to inventory and verify lift kit components. You must contact us within this 30 day period in order to have missing/damaged parts sent to you free of charge. After 30 days from date of delivery any missing parts or damaged parts will be the customers expense to replace and/or fix.

WARNING: This product can expose you to Nickel, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to p65warnings.ca.gov.

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