Well, in a roller block, some ppl like to re-use pushrods and lifters but I'd replace them if I were you. I'd get the roller rockers, lifters and pushrods. That should be it. Of course, you'll need new header gaskets too.
You can re use the stock pushrods or get replacement stock pushrods if you plan to get the pedistal mount 6037's.
You can re use your stock rockers as well, but the rollers are sure nice if you can afford them.
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