Proflow Thrust Plate, Camshaft Retainer Plate, Ford 289-302, 351 Windsor, Each - PFETPC001Part Number: PFETPC001 Proflow Camshaft Thrust Plates Proflow camshaft thrust plates prevent cam walk. These solid steel or cast iron plates will control camshaft movement within the engine block. They're available in a variety of sizes and shapes for vehicles from the 1950s and up. Order the model designed for fitment with your engine application. Late style with extra tangs to cover press in gallery plugs Replaces C90Z 6269 A , MF125