The Mojave 4S and some newer 4S vehicles use a different wheelbase and require the 152mm (PHB5965)

Lightening the gear reduces rotating mass in the drivetrain

Kyosho IFW406 Hard Front Upper Arm Holder Inferno MP9

Powerhobby D24 slick tread design

both pieces install easily with basic hand tools

Arrma ARA390289 4x4 BLX Motor Fan Set Kraton Outcast Mini Drag Parts The Mojave 4S and someARRMA ARA390289 4X4 BLX Motor Fan Set Keep motor temperatures down when the action gets hot with the ARRMA ARA390289 4X4 BLX Motor Fan Set. This genuine ARRMA cooling set mounts directly to the motor heatsink and includes an extender wire to connect from the receiver at the front to the motor at the rear. A protective fan cover shields the fan from small stones during hard bashing. Features Tough composite materials for long lasting durability Easy to