Optimized spacer form guarantees practically no flow hinderance; manifold cross section tapers from round to square. For optimal performance, we recommend leaving out the venturi insert from the MHR reed valve block for carburetors starting at 24mm Ø and up.
No additional manifolds are necessary when installing the carburetor. A suitable rubber adapter (order adapter separately, see recommendation) is simply screwed on together with the spacer base plate.
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