Brass components are weightier than aluminum counterparts, giving different ride characteristics. ?Change plastic bushings to fine-tune toe, roll center and skid angle.
TA07 MS, TA07 PRO, TB Evo.6, TB Evo.6 MS, TB-05 PRO, TRF419, TRF419X, TRF419XR & TRF420 Chassis
*May require some shaving down of sections that come into contact with chassis.
*The official Tamiya R/C Parts Matching List has plenty of information regarding chassis compatible with Tamiya Spare and Hop-Up Option parts.