This SPC replacement ball joint is an OEM-style service part intended specifically for use with SPC front control arms listed as 66040 and 66045 (and compatible with 66030/66035 variants). It provides a direct replacement option where the original ball joint has reached service limits. The part is supplied as a direct-fit replacement to restore proper steering and suspension articulation when paired with the corresponding SPC control arm assemblies and should be installed per vehicle service procedures.
SPC Performance Replacement Ball Joint (for 66040/45 and 66030/35 Front Control Arm)