Advanced engineering techniques allowed for the recreation of an OEM spec spindle in a newly forged, heat-treated steel design that is both stronger and lighter than the original. The unique three-piece construction provides for fast, convenient and affordable replacement of individual components in the event of a crash. These spindles are IMCA approved for use in competition. Kit includes spindle, bolt-on steering arm, caliper bracket and necessary hardware. Assembly is required. Choose (L) Left or (R) Right side. All parts sold separately as well. Works great with our 1979-Up GM Metric Front Brake Rotors, bearings, calipers, etc. Forged, heat-treated steel Precision OEM geometry Direct replacement for factory spindle Approved for use in IMCA sanctioned events Three-piece design for quick, easy replacement Replacement parts available separately