Aluminum Gear Diff. Housing For Xray X4 Series with 2pcs ball bearing and pulley.

- 7075 Aluminum housing

- Long lasting and low friction POM pulley

- Stable the gear diff oil temperature

***Please noted that used with original bevel, satellite gears, shims, pin & outdrive adapter 

***Check the outdrive adapter should be 4.98mm or use 5*8mm bearing to test.