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Tamiya 421 FWD Conversion Kit - 7xF Turn your 421 Touring car into a FWD Class Competitor. Whats included:

  • 1.8mm 7075-T6 Alloy Chassis - designed with flex and tuning for proven race results
  • 2mm Carbon Fiber Front Top Deck
  • 2mm Carbon Fiber Rear Top Deck
  • Quality Bando Belt - shorter new motor mount location
  • 3D Printed TPU Front Bumper w/Pockets for Weights - need to use round weights with threaded holes for attaching
  • Upper Bumper Carbon Fiber Plate for cylindrical weights to attach to
  • New Carbon Fiber Rear Body Mount Plate
  • Shims For Rear Shock Mount - spaces the rear shock mounts out to stock width retaining factory angle
  • 4mm Carbon Fiber Battery Hooks - captures rear of battery for alignment away from spur
Uses all factory Tamiya hardware and TRF421 parts.

If you run the gear diff up front you will need to use rear outdrive blades on the front axles to fit in diff outdrives.  


Whats needed: Tamiya TRF421 Donor car and all running gear.

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Tamiya 7XF Kit

  • Brand: Krazed Builds
  • Product Code: TRF7XF
  • Availability: Pre-Order
  • $195.00

Tags: fwd, trf, 421, tamiya