Brass elements are weightier than aluminum counterparts, giving different trip traits. Change synthetic bushings to fine-tune toe, roll center and skid angle.
Appropriate Chassis 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 which come into contact with framework.
*The official Tamiya R/C Parts Matching List has many information regarding chassis compatible with Tamiya free and Hop-Up choice parts.