Tamiya 53424 - Aluminum Pinion Gear 48T/49T OP-424  [53424]

This might be a Pair of Aluminum Pinion Gears for TA-04 chassis automobiles.
Here is the gear that attaches towards the engine.

QUALITIES: Aluminum construction

INCLUDES:

• One 48 enamel pinion gear
• One 49 tooth pinion gear
• Three 3mm set screws
• One allen key

REQUIRES: Installation onto car.

SPECS:

• 48 tooth gear diameter: 18.7mm (0.74")
• Pitch: 0.4 M (48P metric)

FEEDBACK: it will be possible why these gears may focus on other 48P vehicles.