Roller cams are not quite as bad as cast flat tappet cores. The small aftermarket companies are all looking at India and China for a reliable secondary source for cores. Cores not requiring a distributor gear can made from round billet on a lathe. There are options for those. Flat tappet cores with a distributor gear that many were buying for $89.99-$200.00 for a custom grind are the real road block. Not much incentive to push production of these parts when they have a huge backlog of $1000.00 billet cams. I understand the reasons, just don't like having only limited, expensive choices.
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