Suitable for the VeloS-models 330, 660, 1010, 1400, 1700, 2200, 3300, 3800, 4600 (export USA), 5000 - also Dutch, VeloSol- oto/ami and the model Black'n Roll S4800.
Not an original. Reproduction.
Nomenclature no. 10551 valid from March 1967 and from engine no. 3.800.000 - Union nut big.