Elevate your classic muscle car’s performance with the Heidts Pro-G Independent Rear Suspension (IRS) Kit. This advanced system delivers modern suspension geometry for unparalleled handling, comfort, and dynamic driving.
The Pro-G IRS offers precise control with 1/2 degree of camber curve at 3/4 bump, ideal for high cornering loads. It’s engineered for high-performance street use, autocross, and demanding road course applications, providing a significant advantage over traditional solid axles.
This comprehensive kit includes tubular control arms, steel uprights, frame brackets, and Wilwood brake components for enhanced strength and stopping power. It also features single-adjustable billet aluminum coilover shocks for customized ride height and damping.
Note: The Ford 9″ cast iron center section is mounted in an aluminum housing. This kit requires the differential, axle shafts, and brakes to be sourced separately. Specify your desired spring rate when ordering for optimal performance. Professional installation is recommended, with bolt-on and weld-in options available for compatible chassis.





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