Replace or keep Engine pads

[Tmwoodall]

I feel like I am flooding this place lately, thanks/sorry!

My dad will be in town in two weeks so I am trying to line up some good father son projects that I could use the help on. I am debating if I should replace the pads on my engine. First off it is a huge PITA to get the engine mounted due to the spacers I made to lift it up off the perches just a bit to clear my headers. So if I don;t need to replace I gladly wont. However I don't want to be doing this again on e the truck is together.

The rubber still seems pliable and is not dried out, but a few cracks have developed on the passenger side. Drive may have one or two but it is not as prevelant. SBC should be pushing around 400+ HP/ft/tq. Should I replace and be safe or does this look pretty normal?