Seller notes

Boyesen Rad Valve RAD-04A An aero-form reed valve that corrects the problems associated with existing reed valve designs, it maintains flow velocity through the valve and redirects the intake charge for even distribution to the intake ports. Provides quicker, sharper throttle response and more horsepower low, middle and especially on top. One-piece aluminum casting; no manifolds to trim or plastic pieces to insert.Comes with Boyesen Pro Series ReedsWill accept Rad Reeds or Pro Series Reeds from ...

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