SuperPro Coil Spring Upper Bush Kit

2018–2024 Jeep Wrangler / 2020–2024 Jeep Gladiator

SPF5578K

Overview:

The SuperPro Coil Spring Upper Bush Kit is a premium suspension upgrade designed specifically for Jeep Wrangler models from 2018 to 2023 and Jeep Gladiator models from 2020 to 2024. Engineered to replace or enhance your vehicle’s original suspension bushings, this kit improves handling precision, ride comfort, and overall suspension durability. Ideal for off-road enthusiasts and daily drivers alike, it delivers a quieter, more responsive driving experience while extending the service life of your suspension components.

Manufactured by SuperPro, a leader in aftermarket suspension bushings with over 40 years of expertise, this kit offers a superior alternative to traditional rubber bushings. It is engineered to withstand harsh conditions, ensuring consistent performance in extreme temperatures, exposure to oils, water, and coolant.

Key Features:

Designed with advanced materials and precision engineering, the SuperPro Coil Spring Upper Bush Kit offers numerous benefits:

• Constructed from proprietary engineering-grade polyurethane for enhanced durability and longevity
• Improves vehicle handling by maintaining correct steering geometry and suspension alignment
• Reduces noise, vibration, and harshness compared to standard rubber bushings
• Resistant to extreme temperatures, oils, water, and coolant for reliable performance in all environments
• Extends suspension component life and improves tire wear consistency
• Designed, engineered, and manufactured in Australia with rigorous quality control
• Backed by a lifetime warranty for peace of mind
• Developed with input from expert suspension technicians and engineers
• Enhances overall vehicle safety and fuel efficiency through improved suspension dynamics

Construction & Design:

The bushings in this kit are crafted from SuperPro’s proprietary polyurethane formula, which has been refined over four decades to meet the demands of harsh driving conditions. This material offers superior resistance to wear, deformation, and environmental contaminants compared to conventional rubber. The polyurethane’s engineered flexibility provides optimal compliance for suspension movement while maintaining firmness to support precise handling.

Each component is manufactured under strict quality standards in Australia, ensuring consistent performance and reliability. The design process incorporates extensive testing and feedback from professional suspension engineers, resulting in a product that balances durability with ride comfort.

Installation & Fitment:

This kit is a direct replacement for the coil spring upper bushings on select Jeep Wrangler and Gladiator models, requiring no modifications for proper fitment. Installation can be performed by experienced DIYers or professional technicians using standard suspension tools. Proper installation ensures improved suspension geometry and optimal performance benefits.

Compatible with a wide range of Jeep trims including Rubicon, Sahara, Sport, Willys, Mojave, and special editions from 2018 through 2024 for Wrangler and 2020 through 2024 for Gladiator models.

What's Included:

• Set of coil spring upper bushings engineered for Jeep Wrangler (2018–2023) and Jeep Gladiator (2020–2024)
• Installation instructions
• Lifetime warranty documentation

Ideal For:

This bush kit is perfect for Jeep owners seeking to upgrade their suspension for improved handling, durability, and ride quality. It is especially beneficial for off-road enthusiasts who demand robust components capable of withstanding rugged terrain and extreme conditions. Additionally, daily drivers will appreciate the reduction in noise and vibration, along with enhanced tire wear and fuel efficiency.

SuperPro is an Australian suspension specialist known for high-performance polyurethane bushings, control arms, and sway bar components designed for both 4x4 and performance vehicles. Their parts are built to sharpen handling and improve durability compared with worn factory rubber, making them a common upgrade for enthusiasts chasing tighter response and longer-lasting suspension control.