MRC AD520 Auto Reverse Module for DCC Reverse Loop Section 1.55 Tires this high-end mini servo delivers

this high-end mini servo delivers unbridled performance just like its brother

This is an Extra Hard 5mm 21 Tooth Pitch Pinion Gear from Robinson Racing

a genuine Losi replacement part that connects your throttle servo to the carburetor and brake assembly on compatible nitro-powered vehicles

supporting the internal gears and outdrives while transmitting rotational movement smoothly through the diff assembly

MRC AD520 Auto Reverse Module for DCC Reverse Loop Section 1.55 Tires this high-end mini servo deliversMRC AD520 Auto Reverse Module for DCC Reverse Loop Section Descripiton: Automatically change polarity of your reverse loop or reversing section. Easy 4 wire hookup. Up to 5 amp output. Not for use on non DCC layouts or with nondecoder equipped locomotives.