The gear box housing keeps the front drive gears aligned and protected as your crawler works through rocks

This is the 3pc Front Axle Plate for RJ Speed R/C Legends Car Kits

or 3S battery

Genuine Kyosho replacement part (part number KYOKBH001BK)

Genuine Losi part TLR241042

Savox SAVSH1290MGP High Speed Digital Servo 0.048sec / 69oz @ 6v 1/10 Buggy The gear box housing keepsSAVSH1290MGP High Speed Digital Servo 0. 048sec 69oz @ 6V The Savox SH 1290MGP is a super speed, metal gear, digital servo that is extremely fast, but does not lack in performance. "Plus" series servos feature Soft Start and Sanwa SSR compatibility. Features: Metal gear train ensures durability and longevity. Extremely fast for quick response. Aluminum middle case allows for cooler operating temperatures. Ideal as a rudder servo on 500, 600, and 700