LS9904 Fuel Filter/Fuel Regulator, 640940 Russell 3/8" Male Quick Disconnect to -6AN Male Fitting (Fuel Feed from Regulator to Engine Fitting), 640853 (x2) Russell 3/8" Female Quick Disconnect to -6AN Male Fitting (Fuel Regulator Feed from Pump and Fuel Rail Fitting), 640863 Russell 5/16" Female Quick Disconnect to -6AN Male Fitting (Fuel Regulator Return Line Fitting), # 660443 (x2) Russell 1/4" NPT to -6AN Adapter fitting (Fuel Pump Pickup and Return Line Fittings).
