The Mars 133 custom

Four 3mm thick spacers

As with its namesake

8v - 18kg/251oz-in

Team Associated - RC8B3 Factory Team Steel Flywheel, 4-shoe Replacement Parts Tx/Rx Plastic Parts The Mars 133 customRC8B3 FT 4 shoe steel flywheel is a direct replacement for the standard #81370 RC8B3 aluminum 4 shoe flywheel. The steel flywheel is heavier than the aluminum flywheel and increases the overall rotating mass of the clutch assembly. This offers a more stable engine idle and a smoother bottom end throttle feel. #81463 RC8B3 FT 4 shoe Steel Flywheel = ~36 grams #81370 RC8B3. 1 4 shoe Aluminum flywheel = ~12 grams Fits all RC8B3 and RC8T3 series vehicles