
This is it! Oil seal type 3800-5000 21.6/ 40/ 6¼
€ 4,20 Add to cart
CLOSED: Monday 24 August, Wednesday 26 August, and Friday 28 August to Sunday 30 August

€ 4,20 Add to cart
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Has more pulling power, almost no drop in performance when facing headwinds, is slightly faster and has good balance. Is 100% interchangeable. Also for racing! Own manufacture
New milled crankcase. Suitable for Solex. High-quality aluminium. For racing and normal use. Developed in collaboration with Ferry van Zandvoort FD Productions.
This milled crankcase is suitable for normal use and for racing.
Own manufacture
Oversized piston sizes 40 mm or 39.75 mm. You can send your own cylinder (from Hungarian, French or OTO) to:
Van de Ven Parts
Helenaveenseweg 18
5975 AG Sevenum
Netherlands
Height 2.47
Thickness 1.35