Curb Hoppers0My CartPAC Racing Springs(16-Pack) Pac Racing PAC-1243 1200 Circle Track Endurance Valve Spring Dual 550lb/in Spring Rate 1.150" Bind 1.550" ODListing ID: 936481Manufacturer Part Number: PAC-1243Reference Part Number(s): PACPAC-1243Out Of StockBrand NewCopyright (C) 2019-2024 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.