I did find a PP. (in 72 Service Manual)
It looks to be for a big Pontiac.
(wagons, Bonne, etc)
I saw the PB in the years 68 to 73.
(could be newer, didn't look further)
Yours still have the tag on them?
I think thee is some numbers at the base of the tag that may have a date on it.
(real small stampings)
__________________
John Wallace - johnta1
Pontiac Power RULES !!!
www.wallaceracing.com
Winner of Top Class at Pontiac Nationals, 2004 Cordova
Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats
KRE's MR-1 - 1st 5 second Pontiac block ever!
"Every man has a right to his own opinion, but no man has a right to be wrong in his facts."
"People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates