RD400C Boyesen Dual Stage Reed Valves Individual Engine Gaskets & O-Rings These top quality inlet rubber

These top quality inlet rubber heat shields have been specially manufactured for Yambits

Supplied  in sets of 2

FZ750 1985-1991

Boyesen's patented dual-stage design incorporates a specially shaped top reed and a ported bottom reed

This is ONE carburettor to airbox rubber

RD400C Boyesen Dual Stage Reed Valves Individual Engine Gaskets & O-Rings These top quality inlet rubberBoyesen's patented dual stage design incorporates a specially shaped top reed and a ported bottom reed. The top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPMs. The stiffer, bottom reed is ported to provide maximum flow and horsepower at higher RPMs. The Benefits: Quicker acceleration for that all important holeshot Crisper throttle response for fast corner exits and surer jumps More horsepower throughout