Camshaft specs 12,8 IN/ 12,8 EX mm max lift 300 IN/ 300 EX duration 265 IN/ 265 EX duration 1mm cam timing in bdp 4,75mm @ 104° IN/ 4,75mm @ 104° EX. Valve springs required. For mechanical followers 0,20mm. Low acceleration high rev profile Tappet more than 31mm required.