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The cam Hafliger chose was a custom-ground Comp solid roller with DSZ family intake lobes and Xtreme Energy exhaust lobes. “Those DSZ lobes open fast,” Hafliger says. The specs were 260/266 degrees duration at 0.050 and 0.683/0.657 lift (with 1.65:1 rocker arms). The lobe-separation angle was 112 degrees.