
Fitment
| Years | Make | Model |
|---|---|---|
| 2018-2025 | Jeep | Wrangler JL |
| 2018-2025 | Jeep | Wrangler JL Unlimited |
Features
Alpine CT4:
- Lift Height: 4.5”
- Sport/Sahara Fenders: 35–37” Tires
- Rubicon Fenders: 37” Tires
- Aftermarket High Fenders: 39”+ Tires
CT Long Arm Suspension Systems:
- Adjustable Alpine Long Arms & Brackets balance front caster angle and pinion angles as well as optimize rear pinion angles and tune anti-squat geometry for proper suspension alignment on 3–6” lift kits
- Alpine Long Arms are constructed from durable 42mm x 4mm (front upper) or 50mm x 5mm (front lower, rear upper, rear lower) wall DOM tube for maximum strength
- On higher lifts, bolt-on Long Arm Brackets reposition frame-end control arm mounting points to restore near factory orientation to reduce bushing stress during extreme droop as well as shock load transferred through the Long Control Arms
- Brackets are gusseted and reinforced for superior strength w/ reduced NVH compared to other long arm kits
- Brackets feature a premium triple-stage powder coating that provides superior durability and corrosion resistance
- Front Long Arm Suspension Crossmember provides additional strength
Cross-Trail:
- Delivers true Cross-Trail (CT) performance
- Dependable performance w/ zero worries
- Positive, responsive handling w/ reduced NVH
- High-quality, maintenance-free factory-style bushings provide excellent vibration damping and ride quality
- Front HD Forged Adjustable Track Bar and Front Lower and/or Rear Lower Track Bar Bracket(s) improve steering response, center axles to optimize vehicle roll center, and reduce body roll for unsurpassed handling
- Front and Rear microcellular 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
- Install and drive, simple bolt-on installation — no welding required
- TeraFlex Limited Lifetime Warranty against defects
Quick Specs
- 27.5 Hours (28.5 Hours w/ shocks) install time
- Lift Height: 4.5”
Max Tire Diameter:
- Sport/Sahara Fenders: 35” (w/ 3” front & 2.5” rear bump stops strike pad extensions/shims)
- Sport/Sahara Fenders: 37” (w/ 3.5” front & 4” rear bump stops strike pad extensions/shims)
- Rubicon Fenders: 37” (w/ 2.5” front & 3” rear bump stops strike pad extensions/shims)
- Aftermarket High Fenders: 39”+ (varies)
- Part Number : 1524040/1524020
Important Notes
- REQUIRES wheels w/ 4.75” backspacing or less – or 1.75” Wheel Offset Adapter Pair (# 1057000 x 2) 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/Sahara Fenders REQUIRE 3” front and 2.5” rear strike pad extensions/shims to fit 35” tires.
- Sport/Sahara Fenders REQUIRE 3.5” front and 4” rear strike pad extensions/shims to fit 37” tires.
- Rubicon Fenders REQUIRE 2.5” front and 3” rear strike pad extensions/shims to fit 37” tires.
- Aftermarket High Fenders REQUIRED to fit 39”+ tires. MUST check clearances. May REQUIRE an additional 0.5” Shim Kit (# 1959300).
- REQUIRES cutting/removal of factory control arm bracketry to install long arm brackets.
- Alignment REQUIRED.
- REQUIRES longer shocks – Falcon Performance Shocks recommended.
TeraFlex 1524040/1524020 4.5" Alpine CT4 Long Arm Suspension System - No Shock Absorbers
2018-2025 Jeep Wrangler JL 2018-2025 Jeep Wrangler JL Unlimited
2018-2025 Jeep Wrangler JL 2018-2025 Jeep Wrangler JL Unlimited
- SKU :
- Part Number :
As low as
$5,047.93
As low as
$5,047.93



