The front aluminum carriers are these:
http://www2.towerhobbies.com/cgi-bin...?&I=LXSK19&P=7
They are for the Nitro Rustler, which uses a different wheel setup, where the bearings go into the wheels (like Associated and Losi). I forgot to mention that I am also using aluminum rear axle carriers:
http://www2.towerhobbies.com/cgi-bin...?&I=LXMW88&P=7
SH Z-Car, Custom Crawler, 8s Savage,
12s XTM XLB 1/7 buggy,
4wd 4-link rear/IFS Pro4 truck,
Custom Hyper 10 Short Course,
Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz