400+ c.i. engines, good heads, high compression, .900" base circle. 5,000-7,500 RPM Operating Range 279/286 Duration at .050". 108 Degree Lobe Separation Angle 0.679/0.645 Valve Lift Strip Ready - COMP Cams Drag Race series was developed to propel your drag car to the finish line first. Including more aggressive lobe designs, Drag Race grinds deliver exceptional power for every application. Engineered to Win - Regardless of the build, COMP's Drag/Oval line has a camshaft for your engine. With grinds for naturally aspirated, blown, turbo and nitrous drag engines plus various Oval Track engines, this series was developed for common drag and oval race engine combinations out there. Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer. Made in USA