Kyosho Hard Caster Setting Upper Arm Set Mr-04 KYOMZW703H

This Kyosho factory replacement hard caster setting upper arm set is designed for the MR-04 platform. The set includes both left and right upper control arms along with their associated mounting hardware, allowing adjustment of caster angle for tuning front-end geometry. Hard caster setting arms provide a more aggressive caster angle compared to standard arms, affecting steering response and straight-line stability. Features: Hard caster setting for aggressive front-end geometry tuning Includes left and right upper arms with mounting hardware Direct factory replacement for MR-04 platform Adjusts caster angle for steering and stability tuning 7/7/26 cs