Mopar ( Tube Kit ) info requested !

SSG_Karg said

Nice! Pretty jealous. I’m running bushed ductile iron rockers on my W2s. Should be pretty much bulletproof.

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Those bushed ductile iron are very reliable. I had the econo unbushed on for a long time on the old motor. Not roller tipped but they work.
I walked right into a deal locally here a few years ago on the Norris that I could not pass up.