Click the picture for LARGER photo!

　 Low Center of Gravity
      New designed fuel tank for more low center of gravity
      Throttle servo mount which carries it low up till limit

 

  Front Suspension
      New Front lower arm (1.5mm longer)
      Adjustable (height) front upper arm mount
      New designed front upright (King pin angle "0" degree)
     Adjustable wheel base (3mm) in order to move front upper/lower arm forward and backward
　 Rear Suspension
      New Rear Lower Arm (7mm longer)
      Adjustable height of rear lower arm (for the chassis side attachment) in three stage
      New designed rear upright

　 Drive system & brake
      Front universal joint excellent in drive efficiency is equipped as standard
      Light weight 2 speed gear box and spur gear will be attached with screw
      Teflon brake pad, and Ventilated brake disk is as standard
      Light-weight centrifugal shoe, Super hard clutch spring, and Clutch shoe (Gray) are as standard

　 Others
      Servo Saver which Ackerman can adjust by removing two screw
      New designed damper case excellent in maintenance
      New designed engine mount which consider the twist of chassis with equal right and left
      New centering system of rear body mount which brings more stability
      New designed pivot ball excellent in maintenance

      The car has more stability during the corner with new designed suspension compare with MRX-3.
      Also, some optional parts for MRX-3 are now as standard parts for MRX-4.

Copyright © 2006 Mugen Seiki Co., Ltd. All rights reserved.