The RD 350 diaphragm is an absolute classic in the scooter sector. They offer a super compromise between unbelievable durability and official performance values.
The RD 350 diaphragms have proven themselves so well for years that we now offer a bgm RD350 block with GFK plates. The GRP plates are state of the art for an optimal response behaviour and a high performance yield. Furthermore, the GRP plates have an extremely long service life and thus the maintenance effort is reduced to a minimum. This means that the plates not only seal better, but the impact of the plates on the block is also better damped. The RD Style diaphragm is used in a wide range of applications, from the SRC intake manifold for automatic transmissions to the large Vespa diaphragm intake manifolds for the Lambretta and TS1 cylinders.
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