Valve drive of an internal combustion engine

A valve drive of an internal combustion engine whose finger lever (2) or rocker arm (8) is pivoted by a bore (7) on a shaft (8) for pivoting relative to a cylinder head, a region of the shaft (8) which is surrounded by the bore (7) of the finger lever (2) or rocker arm (9) and extends at least near a central longitudinal plane thereof comprises a recess (10, 19, 31, 35, 37a) in which a projecting means (11, 16, 22, 25, 32, 35a, 38) is arranged so as to extend radially beyond a peripheral surface (23) of the shaft (8) and engage into a recess (13, 14, 24, 33, 37, 40) of complementary shape made in the bore (7), or said projecting means is arranged in the recess of the bore (7) to project therefrom and into the recess of the shaft, characterized in that the recess of the shaft (8) is made of an annular groove (10) which is surrounded by the recess of the bore (7) made as an annular groove (13), the projecting means is optionally a radially inwards biased circlip (11) arranged in the annular groove (10) or a radially outwards biased circlip (16) arranged in the annular groove (13), an outer annular portion (12) of the circlip (11) extending into the annular groove (13) and an inner annular portion (17) of the circlip (16) extending into the annular groove (10).