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The COMP Cams nitrided CB XM 278H camshaft is specified for marine jet applications with an A impeller and prefers improved intake and header systems. The nitrided surface treatment is noted in the description, and the profile is targeted toward robust mid-range response for inboard/outboard or jet-boat installations that need dependable throttle behavior under load.
COMP Cams Nitrided Camshaft CB XM 278H-
