JR HG Mass Damper Set w/Ball Connectors

Tune a Mini 4WD for elevation changes with this ball-connector mass-damper set. A 6 × 6 × 32mm block weight mounts to a carbon stay with multiple position choices and reinforced nylon adjusters.

Includes connectors and mounting hardware. For MA and AR chassis, or MS, FM-A, VS, Super II, Super X, Super XX, and Super TZ-X with rear stay 15430. Some bodies require modification.