Camshaft specs 12 IN/ 12 EX mm max lift 288 IN/ 288 EX duration 257 IN/ 257 EX duration 1mm cam timing in bdp 4,27mm @ 101° IN/ 3,69mm @ 108° EX. Valve springs required. For mechanical followers 0,2mm intake 0,25mm exhaust. Group A mechanical standard Tappet.