Product Description
Carb insulator with vacuum port for Honda GX270, GX340, GX390 and Predator 301cc and 420cc engines. This spacer allows for a great pulse line for pulse type fuel pumps such as Walbro fuel pump WB100
The nipple for the pulse line is for 3/16" hose
Please note this fits the big port heads with a 28mm intake opening
Honda OEM 16211-ZFS-D40
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