Curb Hoppers0My CartPAC Racing Springs(16-Pack) Pac Racing PAC-1239 1200 Circle Track Endurance Valve Spring Dual/Damper 540lb/in Spring Rate 1.180" Bind 1.550" ODListing ID: 1087929Manufacturer Part Number: PAC-1239Reference Part Number(s): PACPAC-1239Out Of StockBrand NewCopyright (C) 2019-2024 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.