Mopar R1 block

yellow rose said
I'm hoping someone still has mushroom lifters. Maybe Jim at RB. I need to start making some phone calls. I may not be able to even get them any more.

I had one in a TA engine I never ran, had it 10 years, had a 3.466 8 bolt crank, Hemi footprint rods, dre under the pistons from Atlanta 4 bolt mains