COMP Cams 65-236-4 High Energy 212/212 Hydraulic Flat Cam for Ford 144-250 6 Cylinder Good for towing in 200-250c.i., mid-range torque and power. Smooth idle. 1,000-5,000 RPM Operating Range 212/212 Duration at .050". 110 Degree Lobe Separation Angle. 0.440"/0.440" Valve Lift High Energy grinds are a good blend of efficiency and performance: ideal for performance street rebuilds. Works well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears. Fits '60-'83 Ford 144-250 6 Cylinder (7.808" Deck Height) Made in USA