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The COMP Cams Magnum double-row timing set for Ford big-block engines pairs an induction-hardened cast iron cam gear with a billet crank sprocket and a heavy-duty double-row chain. The 3-keyway crank sprocket allows up to 4 degrees of incremental timing adjustment. It’s specified for mild street performance and fits '64–'74 Ford 352–428 engines where increased timing durability is desired.
COMP Cams Magnum Double Row Timing Set For
