R FUEL EXHAUST CARBURETION 3 927 SPRING PLUG VALVE Fuel Pump Rocker Arm C0n t 67 70 2 cyc Diesel 5174973 1 VALVE fuel pump relief n I A 3 935 ROD COUPLING GEAR Fuel Pump A 55 72 All Blazer 8 cyl 3704817 1 push z dia x 5 long 67 70 2 cyc Diesel 5154216 1 COUPLING drive 67 70 2 cyc Diesel 5174975 1 GEAR fuel pump driven r GM PARTS DIVISION GENERALIMOTORS CORPORATION CHEVROLET 72TL REV 5 79 4 121 3 927 3 935