SKU: ALL 56115
UPC: 848238029413
MPN: ALL56115
The Upper Spring Cup 5-1/2in OD Spring from Allstar Performance is a precision coil spring seat component suitable for various applications, including classic and modified street rods, drag racing platforms, and high-performance suspension systems. This component serves as the top perch for your coil spring assembly, ensuring consistent spring seating and load distribution under both static and dynamic conditions.
Designed with a 5-1/2 inch outer diameter, this upper spring cup accommodates a range of coil springs, allowing for proper spring centering while maintaining load-path integrity. This directly impacts suspension compliance and wheel alignment stability, making it a critical component for achieving predictable handling and ride quality in various suspension setups.
Mechanics and automotive enthusiasts rely on this upper spring cup for restorations, custom suspension fabrication, and performance upgrades. It pairs seamlessly with compatible coil spring sets and suspension control arm assemblies typical of American muscle cars and other performance vehicles, ensuring a reliable fit and function.
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