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The Xtreme Energy XR286HR retrofit hydraulic roller (236/242) is aimed at stronger street performance, requiring roughly 9.5:1+ compression, a 3.91+ gear and a 2800+ stall converter. The cam generally needs headers and produces a rough idle. It’s suitable for builds where improved midrange and upper-range output are desired and supporting exhaust upgrades are planned.
COMP Cams Camshaft CRB3 XR286HR-10
