Suggested build for HOPRA CMPM Class:
Viper Medium chassis with rear axle retaining pins, Indepedent front axle set, Viper guide pin
Silver plated Viper endbell with Viper bushing or Scale Enginering stepped metal bushing, bearing can be used but make sure it slip-fits the armature shaft
Viper 35.5G NXS Turbo armature with Viper rear bushing or Scale Enginerring metal bushing, bearing can be used but make sure it slip-fits the shaft
Viper Pro-10 Motor and Traction magnets
HCS AMG Super Tough Orange 7T pinion and RPMs 22T or 23T Super Tough Orange crown gear on Viper Hard-Spline rear axle
Quicker Engineering Soft Rock rear tires
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