There is a lot of vague info about speedo cables out there, my 69 TH400 original cable was 57 inches long. The generic replacement is 61 inches and will work but the cable ends up looped around behind the bellhousing area instead of going straight down from the firewall grommet. The only correct 2 piece setup I can think of would be for cruise control. DJ
1969 Firbird 400 Coupe, 11C build date. Liberty Blue, TH400, A/C, P/W, posi, Rally II
