Hydraulic lifters

512Stroker said
Most likely your best bet would be to find a set of NOS Mopar lifters (good luck) or find a good used set and have them re crowned and cleaned.

Oldmanmopar said
No one! find and old cam kit and rob the lifters.

Edit: whoops, there’s only 8 of ‘em.

...maybe a good option? I have no idea..

NOS 1973 Mopar Performance Hydraulic Valve Lifters 8 Total VL-64 PN:3004647 | eBay