MTX-4 Racing 18T Pulley MTX4-30/GO by 3Racing  [MTX4-30/GO]

Mugen Seiki MTX-4 Pulley 18T - 3RACING MTX4-30/GO
Price:
USD$8.90
Brand:
3Racing
Model:
MTX4-30/GO
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Competitive pulleys for MTX-4 setups

This 18-tooth pulley is specified for MTX-4 drivetrain layouts and is intended for racers and tuners who want precise gearing changes. It explains the pulley's function within the transmission and when a tooth-count swap delivers a measurable lap-time impact.

Fitment and gearing impact: engineered to mate with MTX-4 drive arrangements, the 18T profile modifies the final drive ratio when installed with your selected pinion and spur gears. Use the 18T to bias the car toward stronger acceleration at the expense of top speed, suitable for technical circuits.

Installation and setup guidance: access requires removal of adjacent drive components, careful verification of shaft alignment, and secure fastening to the MTX-4 hub or shaft. For best performance, match the tooth profile precisely, confirm runout tolerance, and torque mountings to prevent movement under race loads.

What lap advantage does 18T give?

An 18T pulley pushes the drive ratio toward quicker acceleration, which can improve exit speed from slow corners but may lower top speed down straights.

How should I verify alignment?

Check axial runout and radial play on the shaft, ensure concentric seating of the pulley, and confirm gear mesh with a light gear marking compound for optimal engagement.

Any setup tips for race day?

Test different pinion pairings and record lap times; small changes to tooth count and mesh often yield better corner exit without sacrificing overall stability.