Intake manifold upper part -MRP - diaphragm Malossi VR-One engine case

Malossi used a rubber intake manifold for their housing from the factory. Who is looking for alternatives is right here.
Top processed from the house MRP is this intake manifold for the Malossi VR-One housings.
The nozzles all have a milled plate with company logo and a stainless steel tube with
welded ring that engages in the groove of the connecting rubber.
i.e. inner diameter tube bend (Øi) and connection width rubber (AW) are different

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(TW020222)