Specfications
Upgrade your Super Duty with JMACX’s ultimate Coil Over Leaf Conversion.
Engineered and manufactured right here in Australia, this system is designed to deliver improved ride quality, superior load handling, and unmatched off road performance.
Whether you’re touring, towing, or tackling tough terrain, this setup takes your Super Duty to the next level. Key Features:
- Provides 50–60mm rear lift
- Additional 200 lb/in spring rate
- Retains factory leaf springs







