This Associated factory replacement caster and steering block set is designed specifically for the RC10B7.1 platform. The set includes both left and right caster blocks and steering blocks, giving you everything needed to restore or upgrade the front suspension geometry. Individual pieces are labeled with their kingpin angle and side designation, making identification and installation straightforward. Features: Includes left and right caster blocks and steering blocks Parts labeled with kingpin angle and side (L/R) for easy identification Multiple kingpin angle options included for geometry tuning 7/7/26 cs