460 Big Block Build Guideplates
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[6] When installing roller rockers on the factory heads, it was necessary to install guideplates to locate the pushrods. The factory 3⁄8-inch studs (on the rocker side) were more than adequate for most cam and valvespring combos, but these are easily swapped over to the larger 7⁄16-inch studs if need be. View Related Article
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