need a 26 psi through 34psi fuel pressur reg for my 95 diffrent from 91-94 on 1995 GMC Suburban 2500

1995 was a year buy itself having a hard time finding the right regulater the regulaters from the auto parts stores wont hold up any suggestions aer has anyone else run into this problem?

Asked by for the 1995 GMC Suburban 2500