Complete fuel system 8.1-K4 for 70cc, adjustable manifold (28° inclination respect to the crankcase horizontal line), for Ø30mm carburetor, for 8.1 "Fireblade" crankcase version Piaggio and Minarelli.

Manifold, flow guide insert and reed valve pack are the completion of an accurate fluid dynamics study: specially designed for the thermal part of the crankcase 8.1 they have an unmatched performance efficiency. The long adjustable collector, inclined by 28 ° c. Compared to the normal motor crankcase, it allows the carburettor to be kept in the optimal operating position. The 4-way bipetal reed valve pack, with 9-12 carbon fiber blades that fit perfectly into the housing of the crankcase, is integrated with a billet aluminum flow guide. All aimed at increasing the speed of fuel flow. Suitable for VHSH 30, VHST 28, PWK 30, PWK 28 carburetors. Road use prohibited. Made in Italy product.