ARRMA Spektrum 3900kv Motor Esc Motor Plate Slipper Infraction Mega UPGRADE

  
This combo is an upgrade for your Infraction Mega. Arrma wrap around style heat sink and fan. Aluminum adjustable Mesh motor plate. 4s Capable 50T Spur gear and slipper clutch. 08 / 32p D Style 20t pinion. 08 / 32p D Style 26t SPEED pinion.

Perfect upgrade for brushed 540- and 550-size brushed motors with the same diameter and mounting pattern (vehicle must accept pinions with a 5mm bore). 5mm shaft for added durability.

Includes 4mm gold plated bullet connectors. Precision ball bearings and hardened steel 5mm shaft. Fast, powerful 32-bit ARM M4 processor. Multiple options for easy programming. SmartLink USB Updating and Programmer application. Ideal for 4WD 1/10th - 1/8th scale surface applications running on 3s Lipo setups. Compact for easy installation in most applications. Ready to install - no soldering required. Rugged plastic case with mounting tabs. Aluminum heat sink for high efficiency. Firmware updatable through the Smart ESC Programming Box.

High heat-resistant ICT connectors, backwards compatible with ECT connectors.