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The COMP Cams CB 296C-R8 camshaft is described as working well in 396–427 c.i. engines when paired with a 4000+ stall converter and 11:1+ compression, delivering the intended race-oriented valve events for high-compression builds. The market notes it’s optimized for use with melanized or nitrided distributor gears and incompatible with cast or steel gears lacking similar surface treatment—use proper gear to avoid warranty or return issues.
COMP Cams Camshaft CB 296C-R8
