Manufacturer: Gearhead Enterprises
This is a brand new Set Solid Mechanical Lifters for Ford Engines. These lifters are manufactured to bleed off at a higher RPM, allowing your valve train to reach maximum RPM without the oil pump up effect of standard hydraulic lifters.
Application :Ford 221, 260, 289, 302, 5.0, 351C, 351W, 429, 460.
Note: Not for use with hydraulic or roller camshafts.