351C=351 Cleveland. 351W=351 Windsor. Fits Ford 302, 351 Windsor, 351 Cleveland, and 400M. ONLY Fits Models With 4 Bolt Pulleys. Crankshaft Pulley Specifications. Item: Crankshaft Pulley w/ 2 groove.
Crankshaft Water Pump Pulley Kit For Chevy 283-350 with a Short Water Pump
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4 Bolt Anodized CNC Billet Crankshaft Water Pump Pulley V-Belt For Ford 302 351W