434 Stroker Build - W-Engine Revival - Part Two
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An Isky R-561 solid roller cam extracts peak performance from the free-breathing heads, lofty compression, and extra cubic inches. Specifications are 0.639/0.639 lift, 294/294 advertised duration, 260/260 duration at 0.050 lift on a 112-degree lobe center. Isky solid rollers, dog-bone tie bars, and 3/8-inch moly pushrods move the valves. View Related Article
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