Rancho Adjustable Control Arm Kit (FRONT LOWER)

2007–2018 Jeep Wrangler / Wrangler JK

RS66156B

Overview:

The Rancho Adjustable Control Arm Kit (Front Lower) is engineered to enhance the ride quality and handling of your Jeep Wrangler, whether stock or lifted up to 4 inches. Designed specifically for Jeep Wrangler models from 2007 through 2018, including the Wrangler JK series, this kit provides precise adjustment of caster and pinion angles to optimize suspension geometry. Ideal for off-road enthusiasts and daily drivers alike, it reduces noise, vibration, and harshness while accommodating larger tires for improved performance and comfort.

Built to withstand demanding conditions, this control arm kit ensures long-lasting durability and superior vehicle control, making it an essential upgrade for Jeep owners looking to maintain or improve their vehicle’s suspension system.

Key Features:

Rancho’s Adjustable Control Arm Kit offers a range of advanced features designed to deliver reliable performance and ease of use:

• Maintenance-free D2 bushings with a PTFE liner for self-lubrication and long-lasting operation
• Heavy-duty 2-inch outer diameter lower arms constructed from 0.188-inch DOM wall tubing
• Forged ends for enhanced strength and durability under extreme conditions
• Black powder-coat finish that resists rust and corrosion for extended service life
• Adjustable design allows fine-tuning of caster and pinion angles to optimize suspension geometry
• Preassembled control arms for straightforward, time-saving installation
• Engineered to accommodate larger wheels and tires, supporting up to 4-inch lifts
• Reduces noise, vibration, and harshness (NVH) for a smoother, quieter ride
• Compatible with a wide range of Jeep Wrangler trims and special editions from 2007 to 2018
• Backed by Rancho’s limited lifetime warranty for peace of mind

Construction & Design:

The Rancho Adjustable Control Arm Kit is crafted from heavy-duty 0.188-inch DOM (Drawn Over Mandrel) wall tubing, providing superior strength and resistance to bending or deformation. The 2-inch outer diameter tubing ensures robust structural integrity, while the forged ends add extra durability where it matters most. Rancho’s proprietary D2 bushings feature a PTFE liner that acts as a lubricating agent, eliminating the need for regular maintenance and reducing wear over time.

The entire assembly is finished with a durable black powder coat that protects against rust and corrosion, ensuring the control arms maintain their appearance and performance even in harsh environments. This thoughtful design balances ruggedness with precision engineering to deliver reliable suspension performance on and off the road.

Installation & Fitment:

This kit includes two preassembled front lower control arms, making installation straightforward and efficient. Designed as a direct replacement for factory components, it fits stock Jeep Wranglers as well as those lifted up to 4 inches without requiring additional modifications. The adjustable feature allows installers to fine-tune caster and pinion angles, ensuring optimal alignment and suspension geometry for improved handling and tire wear.

Compatible with the following Jeep Wrangler models:

• Jeep Wrangler Rubicon (2007–2017, 2018 JK)
• Jeep Wrangler Sahara (2007–2017, 2018 JK)
• Jeep Wrangler Sport (2010–2017, 2018 JK)
• Jeep Wrangler Sport S (2016, 2018 JK)
• Jeep Wrangler Unlimited Rubicon (2007–2017, 2018 JK Unlimited)
• Jeep Wrangler Unlimited Sahara (2007–2017, 2018 JK Unlimited)
• Jeep Wrangler Unlimited Sport (2010–2017, 2018 JK Unlimited)
• Jeep Wrangler Unlimited Sport S (2016, 2018 JK Unlimited)
• Jeep Wrangler Unlimited X (2007–2010)
• Jeep Wrangler X (2007–2010)
• Jeep Wrangler 70th Anniversary (2011)
• Jeep Wrangler 75th Anniversary (2016)

What's Included:

• Two preassembled front lower adjustable control arms
• Installation hardware and instructions (where applicable)

Ideal For:

This control arm kit is perfect for Jeep Wrangler owners seeking to improve suspension performance, especially those who have lifted their vehicles up to 4 inches or plan to run larger tires. It suits off-road enthusiasts who demand durability and precise suspension tuning, as well as daily drivers looking for enhanced ride comfort and reduced noise and vibration. The maintenance-free bushings make it an excellent choice for those who want long-term reliability without frequent upkeep.

Rancho is a performance suspension and shock brand for trucks, SUVs, and Jeeps, offering shocks/struts, steering stabilizers, leveling kits, and lift systems built for trail and daily use. Their products are aimed at improving control and stability on rough terrain while maintaining everyday drivability—ideal for rigs that tow, haul, and still see dirt on the weekends.