Our stud replacement kit is available for those requiring replacement hardware for their front lower control arm per our TSB 23-01. It includes manganese phosphate coated hardened chromoly steel shank studs, 304 stainless steel adjustment spacers in 1/4" and 1/8" heights, 304 stainless steel adapter spacer bushings, and plated Nylock nuts. These studs allow for an additional 1/4 inch of roll center correction compared to the previous socket head cap screws. We're providing these kits at our cost to both end users and dealers.   Applications: 2015-2020 Ford Mustang GT350 and GT350R (does not fit non-GT350 Mustangs) Installation Instructions: SPL Parts FLCA