Camshaft specs 11,72 IN/ 11,32 EX mm max lift 280 IN/ 266 EX duration 240 IN/ 233 EX duration 1mm cam timing in bdp 2,33mm @ 108° IN/ 1,06mm @ 115° EX. Valve springs required. For mechanical followers 0,3mm intake 0,35mm exhaust. High lift low duration turbo profile STD Tappet special turbo designed ramp DRAG use.