Direct Lube Ford 221-302, 351W, 351C, 351M, 429-460 Hyd Flat Tappet Lifters Designed for today’s more aggressive lobes. Increases oil supply to the cam lobes is critical. These lifters provide a constant oil supply to the cam lobe, more aggressive profiles and reduced lobe wear. Perfect for daily driven aggressive Street Machines, Street/Strip or hydraulic race applications. Made in the USA!