Curb Hoppers0My CartPAC Racing SpringsValve Spring - RPM Series - Dual Spring - 550 lb/in Spring Rate - 1.045 in Coil Bind - 1.274 in OD - GM LS-Series - EachListing ID: 1260856Manufacturer Part Number: PAC-1237X-1Out Of StockBrand NewCopyright (C) 2019-2024 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.