SK33-224-3 - Camshaft Kit, FB 268H. Ford 352-428 c.i. 8 CYL. 1963-1976. Hydraulic-Good replacement for stock performance grinds in 390-428. Noticeable idle. High Energy Hydraulic Flat Tappet Camshafts. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality. Work well with mainly stock components (rockers, manifolds, heads, compression, converters, gears, etc.) Good blend of efficiency & performance. Perfect choice for performance street rebuilds.