Rancho Suspension System

2007–2018 Jeep Wrangler / Wrangler JK (Front and Rear)

RS66102B

Overview:

The Rancho Suspension System RS66102B is a premium lift kit designed specifically for Jeep Wrangler models from 2007 through 2017, as well as the 2018 Wrangler JK. This complete front and rear suspension upgrade enhances your Jeep’s off-road capability and on-road handling by raising the vehicle’s ride height while maintaining a smooth, controlled ride. Ideal for enthusiasts seeking improved ground clearance and suspension performance, this system is engineered to provide a balanced lift with progressive rate coil springs and durable control arm brackets.

Whether you’re tackling rugged trails or navigating urban streets, the Rancho Suspension System offers a reliable solution to elevate your Jeep’s stance by 4.0 inches in the front and 3.5 inches in the rear, allowing for larger tires and improved approach and departure angles.

Key Features:

This suspension system combines advanced engineering with quality components to deliver enhanced performance and durability:

• Complete front and rear suspension lift kit tailored for Jeep Wrangler (2007–2017) and Wrangler JK (2018)
• Includes progressive rate coil springs for improved ride comfort and handling
• Sport system design optimized for balanced lift and vehicle dynamics
• Raises front suspension by 4.0 inches and rear suspension by 3.5 inches for increased ground clearance
• Equipped with heavy-duty control arm brackets for added strength and alignment stability
• Compatible with Rancho front shock absorbers RS999331, RS77331, RS55331
• Compatible with Rancho rear shock absorbers RS999332, RS77330, RS55332
• Requires exhaust cross-over pipe RS720003 for proper fitment and clearance
• Durable black finish for corrosion resistance and rugged appearance

Construction & Design:

The Rancho Suspension System is engineered with high-quality materials to withstand the demands of off-road driving while maintaining on-road comfort. The progressive rate coil springs adapt to varying terrain and load conditions, providing a smooth ride without sacrificing control. Control arm brackets are robustly constructed to ensure proper suspension geometry and alignment, reducing wear and enhancing handling precision. The black powder-coated finish protects components from corrosion and environmental damage, ensuring long-lasting performance.

Installation & Fitment:

This suspension system is designed for direct fitment on Jeep Wrangler models from 2007 to 2017 and the 2018 Wrangler JK, including various trims such as Rubicon, Sahara, Sport, Sport S, Unlimited, and special anniversary editions. Installation requires the replacement of factory coil springs and control arm brackets, along with the addition of the specified exhaust cross-over pipe (RS720003) to accommodate the new suspension geometry. Compatible Rancho shock absorbers should be installed to optimize suspension performance. Professional installation is recommended to ensure proper alignment and safety.

What's Included:

• Front and rear progressive rate coil springs
• Control arm brackets (front and rear)
• Sport suspension system components
• Black powder-coated hardware and brackets
• Installation instructions

Ideal For:

This Rancho Suspension System is perfect for Jeep Wrangler owners who want to enhance their vehicle’s off-road capability and ground clearance without compromising ride quality. It suits enthusiasts who frequently drive on challenging terrain, require additional tire clearance, or seek a more aggressive stance. The system is also ideal for those upgrading their suspension for improved handling and durability on both trails and highways.

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.