64-72 GM A-Body 1in Rear Lowering Springs

The UMI Performance 64-72 GM A-Body 1-inch Rear Lowering Springs are designed for classic muscle car enthusiasts looking to enhance the stance and handling of their Chevrolet Chevelle, Pontiac GTO, Oldsmobile Cutlass, and Buick GSX models. These springs lower the rear end by one full inch, improving the vehicle's proportions and center of gravity while maintaining drivability on both street and strip.

Constructed with progressive-rate coil design, these lowering springs effectively reduce rear ride height without compromising ride quality over bumps or causing harsh bottoming on dips. The engineered spring rate ensures that stock anti-squat characteristics are preserved during acceleration, while the lowered geometric roll center enhances cornering performance.

These springs are a popular choice among mechanics and restorers looking to build street-legal A-Bodies that offer both visual impact and real-world functionality. They fit directly into factory perches, eliminating the need for frame-cutting or suspension relocation, and are compatible with stock shocks or modern aftermarket replacements. Installation typically takes under an hour, making it a straightforward upgrade for any classic car enthusiast.