This is the Drive Shaft 56mm For the HPI Racing 1/8 WR8 Rally Car Made of steel Two drive shafts Length, overall: 62mm (2-1/8") Shaft diamter: 3.7mm (1/8") This is a replacement part for HPI Racing 1/8 Ken Block WR8 Flux F0RD Fiesta H.F.H.V. (HPID0313) HPI Racing 1/8 WR8 Flux w/F0RD Fiesta Abu Dhabi WRC (HPID0312) HPI Racing 1/8 WR8 3.0 F0RD Fiesta Rally Abu Dhabi RTR (HPID6949) 11/20/12 phijwa &