caliper date codes and front spiral shock rebuild.

[Kaanderson]

Hi, 68 z28 caliper date code question for the experts..  i have 331 and 319 on caliper casting halves. Casting number 5455533. Those dates must be 319 day and 331 day into the year 67? The car is feb  68 build. Do i have that correct. Does any one know? There must be  year cast into them also or? It appears also the car has the original front spiral shocks. Does any one have a source for them to get rebuilt? Im trying to keep all original parts on the car.
Thanks a lot every one.

[Danzo]

Read replies #10,11,12 and 13 in the thread below,
http://www.camaros.org/forum/index.php?topic=2792.0

As for the shocks,
https://dansshocks.com/spiral-shocks/
Doc.

[Kaanderson]

Thank you Danzo. Good info, just what i was looking for