Moe.s2k

Anyone ever use this tool to install the retainers? I know they’re great for removing them.



Lisle 36050 Valve Keeper Remover and Installer Kit https://www.amazon.com/dp/B0012S61IO/ref=cm_sw_r_cp_api_i_Exf7EbJ6S2RC7

Deckoz

You need one of these


With the back grounded down for clearances

And some tweezers preferably bent tip tweezers.

Slowcrash_101

If you have an air compressor that can keep the valves up, it works just fine. Otherwise do what @Deckoz said.