THE APD DIAPHRAGM BYPASS REGULATORS ARE COMPACT LIGHTWEIGHT
UNITS DESIGNED TO REGULATE FUEL PRESSURE WHEN USING AN APD
MECHANICAL FUEL PUMP #6100 OR OTHER AFTERMARKET BELT DRIVE FUEL PUMP.THE APD REGULATORS FEATURE A BLACK ANODIZED FINISH, WITH 3/8
NPT INLETS, A #8 AN O-RING OUTLET, AND A 1/8” NPT FUEL PRESSURE GAUGE
PORT.AVAILABLE IN TWO OR FOUR PORT DESIGNS.
FOUR PORT DESIGN USES ALL 8 ORING INLET AND OULET FITTINGS.