A differential shim set for RC8B3 family models (RC8B3, RC8B3e, RC8T3, RC8T3e) and the RC8B3.1 variant. It helps fine-tune the differential by adjusting spacing and mesh for smooth operation and reliable performance on 1/8-scale vehicles.

Designed for compatibility across these platforms, the shim kit lets drivers tailor the drivetrain for different setups and track conditions, improving handling, stability, and durability.