I lost the cap for my master cylinder. it was plastic. this master cylinder is one of the wider ones, if that makes any difference. my 72 1600 has a more narrow master cyl with a metal cap. anybody have one on a junk truck they would sell? also if i ever need front axle or transfer case parts where would i look? would like to find a junk truck with the same axles, and maybe a 5 speed to go behind the bd-308 6 cyl.