Description
A properly seated spring cup is non-negotiable for consistent suspension geometry and predictable handling characteristics. This Allstar Performance spring sleeve ensures precise fitment and eliminates deflection during hard cornering, keeping your suspension components where they need to be. Whether you’re running a road course or drag racing setup, a quality spring cup sleeve is fundamental to suspension reliability.
- 3.50-inch inner diameter
- Steel construction
- Cadmium plated
- Allstar Pro Series compatible
- Sold individually
- Bolt-on installation
- CNC-precision machined
- OEM-equivalent durability






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