CNC machined 6061-T6 slider bushings. These are direct replacement for FRC slider kits.
Available sizes- 1"(standard Calvert springs), 1.510"(1.500" spring eyelets), 1.610"(1.600" spring eyelets, 1.625"(1.620" spring eyelets). Kits include 4 bushings and have a .250" lip to make a 2.5" a 3"-tab width.
Custom sizes available up to 1.850", call or email for details.