Allstar Performance Bump Spring Cup 16mm 1.200 Cup Step OD ALL64357

Precision suspension tuning demands a bump stop cup that won't compromise under load or repeated impacts. The Allstar Performance Bump Spring Cup delivers consistent spring preload control with a CNC-machined aluminum construction designed for serious racers and high-performance street builds. Whether you're dialing in a road course setup or preparing for bracket racing, this component ensures repeatable, predictable suspension geometry across every lap.

Built from black anodized aluminum for corrosion resistance and durability, this bump spring cup integrates seamlessly into most suspension systems requiring 16mm mounting. The included 1-inch bump spring provides reliable compliance tuning without adding unnecessary bulk to your chassis.

• Bump stop cup assembly
• 16mm thru hole mount
• 2.000 in outer diameter
• 1.200 in inner diameter
• 0.400 in height
• Black anodized aluminum
• Includes 1 in bump spring
• Sold individually