JKS Manufacturing Adjustable Coilover Spacers (REAR)

2007–2018 Jeep Wrangler, 2005–2010 Jeep Grand Cherokee

JKS2570

Overview:

The JKS Manufacturing Adjustable Coilover Spacers (ACOS) are precision-engineered rear coil spring spacers designed to fine-tune the ride height of your Jeep Wrangler or Grand Cherokee. Ideal for owners who have added extra weight, larger tires, or need additional lift, these spacers provide a convenient and adjustable solution without the hassle of replacing coil springs or disassembling suspension components. With a lift range of 2 to 4 inches, ACOS allow you to optimize your vehicle’s stance, improve tire clearance, and maintain maximum wheel travel.

These spacers are perfect for Jeep enthusiasts seeking a durable, easy-to-install upgrade that enhances both performance and appearance. The integrated bump stops and adjustable collars offer precise control over suspension geometry, ensuring a balanced and comfortable ride even under varying load conditions.

Key Features:

JKS Adjustable Coilover Spacers combine advanced engineering with user-friendly adjustability. Key features include:

• Variable length coil spring spacers providing 2.0" to 4.0" of adjustable lift
• Adjustable locking threaded collars for quick ride height tuning without suspension disassembly
• Integrated bump stops with adjustable placement for optimized wheel travel and tire clearance
• High-tech billet aluminum construction for strength and enhanced suspension aesthetics
• New Dura-Thane isolators to reduce noise transfer and improve durability
• Instant ride height increase upon installation, eliminating the need for coil spring replacement
• Compensates for uneven load distribution, spring settling, and sagging over time
• Compatible with right-hand drive Jeep Wrangler JK models

Construction & Design:

Crafted from billet aluminum, the JKS Adjustable Coilover Spacers offer superior strength and corrosion resistance compared to traditional spacer materials. The precision-machined collars ensure smooth and secure adjustment, while the integrated bump stops are designed to withstand rigorous off-road use. The addition of Dura-Thane isolators minimizes noise and vibration, enhancing ride comfort without sacrificing durability. The sleek billet design not only performs but also adds a professional, high-quality look to your suspension setup.

Installation & Fitment:

Installation of the JKS Adjustable Coilover Spacers is straightforward and requires no suspension disassembly, making it a convenient upgrade for DIY enthusiasts and professional installers alike. Simply thread the adjustable collars to achieve the desired lift height between 2 and 4 inches. The integrated bump stops can be fine-tuned to maximize wheel travel and tire clearance, ensuring optimal suspension performance. These spacers are designed to fit a wide range of Jeep Wrangler JK models from 2007 to 2018, including Rubicon, Sahara, Sport, Sport S, Unlimited variants, and select Jeep Grand Cherokee models from 2005 to 2010.

What's Included:

• Pair of rear adjustable coil spring spacers
• Adjustable locking collars
• Integrated bump stops with adjustable positioning
• Dura-Thane isolators
• Installation instructions

Ideal For:

The JKS Adjustable Coilover Spacers are ideal for Jeep owners who want to:

• Compensate for added vehicle weight or aftermarket accessories
• Gain additional lift without replacing coil springs
• Improve tire clearance for larger off-road tires
• Restore ride height lost due to spring sagging or settling
• Maintain maximum wheel travel and suspension performance
• Enhance the appearance and functionality of their Jeep Wrangler or Grand Cherokee

JKS Manufacturing builds Jeep and off-road suspension parts—lift systems, control arms, track bars, disconnects, and supporting hardware—engineered for articulation and durability. It’s a popular choice for Wrangler and Gladiator owners looking to improve clearance, ride quality, and capability for real trail use.