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The COMP Cams CS 281Tk‑R6 camshaft targets limited late‑model racing combinations in the 331–355 ci range and supports both 2‑barrel and 4‑barrel induction scenarios including 390 ci 4‑barrel setups. It’s a cam choice tailored to restricted classes where specific carburetion rules apply. Important: 1955–57 small‑block Chevy engines with a rear‑journal oiling groove need a different cam—contact us for options.
COMP Cams Camshaft CS 281Tk-R6
