Rocker Shaft Hold Downs What Ones?

pittsburghracer said

I like how the aluminum ones caress the shafts and I have room to etch the position on the tops of them. I usually keep a spare set handyView attachment 1715982986View attachment 1715982987

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My last set of Mopar were junk.
And both Comp Cams and Engle said don't use stock
Mancini is out of Hughes.
Harland Sharp is in stock at Summit and may or may not come with bolts. But was going Studs Description states steel but later on says aluminium. So wonder what they are.