Curb Hoppers0My CartPAC Racing SpringsValve Spring Retainer - 500 Series - 10 Degree - 1.140 in / 0.815 in OD Steps - 1.475 in OD Dual Spring - Titanium - Set of 16Listing ID: 1225988Manufacturer Part Number: PAC-R538Reference Part Number(s): PACPAC-R538Out Of StockBrand NewCopyright (C) 2019-2024 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.