These breather bolts are a great way to reduce your cylinder head vent fittings to a minimum. CNC machined from aluminium or brass.

Cast aluminum manifold for Weber DCOE 40 carburetors which has been designed by Mark van der Kwaak of DBBP (NL). Unlike other products on the market this manifold holds the carb close towards the engine with the air cleaner almost in its stock postion. The usual right leg interference is not a problem with this set-up.