Redline crank query

[TIMMO1966]

Thinking of having a bid on these on ebay.com but not to sure on the description,it says they are Redline flight group,not 401`s but they look like 401`s to me.They would be going on my 83 GT pro so would they be era correct?
120621950471

[TIMMO1966]

Thanks Glen,that knocks that one on the head