Seller notes

ebay - Weber Pump Jet - 79701.000 GENUINE weber ZERO BYPASS PUMP VALVE FOR DCO & DCOE CARBS part # 79701.000 the key to eliminating acceleration flat spots! One of the hidden keys to performance on a Weber is the Pump Exhaust (or Discharge) Valve. This valve has a simple purpose in your carb, to allow excess fuel from the accelerator pump circuit to return to the float bowl. While these are available in different sizes to regulate how much fuel is allowed back in the bowl from the accelerator pu...

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