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The Xtreme Energy XR286R solid roller (248/254) is built for serious street/strip Chrysler 383–440 applications. It requires roughly 10:1 compression and a 3200+ stall converter to hit its powerband. This grind is intended for aggressive street or bracket use where stronger top-end and midrange output are priorities.
COMP Cams Camshaft CRB3 XR286R-10
