Camshaft set suitable for 1.8 NA, which are to be equipped as naturally aspirated engines with a individual throttle body system and freely programmable ECU. The camshaft set includes a set of camshafts, 16 valve spring retainers and 16 valve springs. Valve springs and valve spring retainers must be installed, as otherwise the camshafts cannot function properly. Rough idling may occur. This camshaft set is part of the complete engine 1.8 NA naturally aspirated stage 2 and the engine parts package 1.8 NA naturally aspirated stage 2.