Camshaft specs 13,46 IN/ 13,46 EX mm max lift 310 IN/ 310 EX duration 277 IN/ 277 EX duration 1mm cam timing in bdp 5,5mm @ 103° IN/ 5,03mm @ 106° EX. Valve springs required. For mechanical followers 0,2mm intake 0,2mm exhaust. Maximum profile for Race & Drag race for 30mm Tappet Diameter.