I have a master cylinder that is probably off a 1970-ish A-body. The only reason I have kept it is because it has a chrome cover. The chrome has some pitting, but would good on a driver after a little polishing. I would package it if someone wants it, $10 for just the cover and $20 for the cover and the master cylinder. The master cylinder is for power brakes and that is all I know about it. I will ship as soon as I can, but my schedule does not allow consistency, so it would go out in 3-5 days. Thanks,