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ummmm, its the block that dictates 48* or 59*, most heads will go either with some work...ie grinding for the pushrod hole. Im pretty sure that its easier to make these heads along with any performance small block head to go on to a 48* block with out a problem, its just the large runner inhibits the 59* option on w8 type heads..

Steve



Of course, but the point which was kind of already made was, if you're gonna use a 48° block, why not use w8's for the same price. . .

Don't get me wrong, I already have a set of Indy 360-2's so I'm not bashing them. They definately have their place. . . But it's just not at 9300rpm on a small motor that's all.

59° heads will go on a 48° block, but the push rods end up in between the intake and head mating face. Kind of makes for a pain in the *ss to seal the intake. . .