Camshaft specs 13,03 IN/ 13,03 EX mm max lift 308 IN/ 308 EX duration 277 IN/ 277 EX duration 1mm cam timing in bdp 5,28mm @ 103° IN/ 4,94mm @ 106° EX. Valve springs required. For mechanical followers 0,25mm intake 0,25mm exhaust. Maximum profile for Race & Drag race for Standard Tappet Diameter