Most common to replace is the handle return spring.
A quick search found the rotor and safety springs here: (https://www.ebay.com/itm/164553784922).
Even with the good Altman latches, if the door hinges are worn out so too will be the new latches.


"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."