The correct Bosch points were fairly widely used at the time and shouldn't be hard to find. the Bosch part number is 01 011. They were used by most 69-74 BMWs, many 70-80 Audis, 73-74 Ford Pintos, 67-73 Saabs, many 71-80 VWs, etc. An even better solution is to get rid of the points and condensor and go to Pertronix or Crane breakerless conversions. I think they are $60-70. Yes, there may be some Chevy points that fit, but you'll never know if they wind up causing some strange problems.