Upper Spring Cup 5-1/2in OD Spring 10pk

The ALLSTAR PERFORMANCE Upper Spring Cup 5-1/2in OD Spring 10-pack (ALL56115-10) is a crucial component for builders and mechanics involved in custom suspension systems, drag racing platforms, and high-performance street machines. These upper spring cups act as the mounting interface between coil springs and the vehicle's upper control arm or suspension tower, ensuring even load distribution across the spring seat.

Designed to accommodate common coil spring sizes used in various performance builds, these upper spring cups feature a 5-1/2 inch outer diameter (OD). They are engineered to maintain consistent spring seating geometry, which is essential for accurate suspension geometry and ride quality. This 10-pack format is ideal for multiple projects or fleet maintenance, allowing builders to keep a standardized inventory of components.

Independent suspension builders, race teams, restoration shops, and DIY mechanics will find these upper spring cups beneficial for constructing custom chassis or upgrading existing systems. The availability of spare cups ensures rapid repairs and efficient project management, making them a valuable addition to any serious enthusiast's toolkit.