I've reused my hyd roller lifters on 2 different cams now without issue, but I know their history and checked them each time. Best thing I found with rollers vs flat tappet followers. Going a roller now can give you that reusability of you want to change later, no break-in, better cam design etc..
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'71 Holden HQ Monaro - 3850lbs race weight, 400c/i - 11.4 @ 120
'66 Pontiac GTO - 389, 4 speed street cruiser
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