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SKU: 1451401

TeraFlex JK 4dr 4" Suspension System w/ 8 Alpine Short Control Arms & 9550 VSS Twin-Tube Shocks

$3,115.95 USD
Shipping calculated at checkout.

Delivery and Shipping

Most orders ship within 1-2 business days, with delivery time based on your selected shipping method and carrier.

Upgrade your Jeep Wrangler JK Unlimited with the TeraFlex 4" Suspension System featuring 8 Alpine Short Control Arms and 9550 VSS Twin-Tube Shocks. Built for drivers who want serious off-road capability without sacrificing on-road comfort, this complete suspension system delivers improved ground clearance, suspension performance, and overall drivability.

The included Alpine Short Control Arms help optimize suspension geometry and axle positioning while reducing bind throughout suspension travel. Paired with TeraFlex 9550 VSS Twin-Tube Shocks, this system provides a smooth, stable ride on the street and increased confidence on rough trails and uneven terrain.

Designed for Jeep owners looking to run larger tires while maintaining excellent handling characteristics, this 4-inch lift system is ideal for both daily-driven builds and weekend trail rigs.

Features:

  • Complete 4" suspension lift system for Jeep Wrangler JK Unlimited 4-Door
  • Includes 8 Alpine adjustable short control arms
  • Includes TeraFlex 9550 VSS twin-tube shocks
  • Improved ride quality and suspension geometry
  • Increased articulation and off-road performance
  • Enhanced ground clearance for larger tires
  • Durable heavy-duty components built for trail use
  • Excellent balance of on-road comfort and off-road capability

Recommended Tire Fitment:

  • Up to 35" tires with proper wheel setup
  • Up to 37" tires with additional modifications

Fitment:

  • 2007–2018 Jeep Wrangler JK Unlimited (4-Door)
Install Guides
Est. Install Time 8 Hours
Please read Instructions thoroughly and completely before beginning installation. Installation by a certified mechanic is recommended. TeraFlex is NOT responsible for any damage or failure resulting from improper installation.

Reviews (0)

Fitment

Year Make Model
2007 – 2018 Jeep Wrangler 4 Door Jku (non Rubicon)
2007 – 2018 Jeep Wrangler 4 Door Jku (rubicon)

Frequently Asked Questions

Shipping

What countries do you ship to?

We currently ship to addresses within the contiguous 48 United States. Free Shipping promotions and standard shipping options are not available to Hawaii, Alaska, U.S. territories, or international destinations unless otherwise stated.

How long will it take to receive my order?

Most orders ship within 1–2 business days from the date the order is placed. Some orders may ship directly from the manufacturer, ship from multiple locations, or require additional processing time for custom or specialty items.

Shipping methods such as 2-Day, 3-Day, and Next Day refer to transit time only and do not include processing time.

Returns and Refunds

How do I return a product?

To initiate a return, you must contact Trail Ops to obtain a Return Merchandise Authorization (RMA) number. Returns without an RMA may be refused or subject to processing delays and restocking fees. All returned items must be in new, unused, and resalable condition with original packaging.

How long will it take to receive my refund?

Most returns must be initiated within 30 days of the purchase date. Open Box items must be returned within 7 days of purchase and are eligible for store credit only.