This is a pair of two optional Yokomo 10° Aluminum Front Steering Hub Carriers, with a Gun Metal anodize. These carriers are designed for YZ-4 but are also compatible with the B-MAX4 series of 4WD buggies. These carriers increase the rigidity around the steering and help improve front traction.
These Black Carriers are also available in 12.5° (YOKZ4-413125).
Yokomo also offers 8° and 15° aluminum carriers but in Gun Metal anodize:
