FUEL EXHAUST CARBURETION Pens in all columns same exce t where Indicated CHEVROLET I I 1977 ROCHESTER 1 BC Continued See Model Reference for Application GROUP DESCRIPTION DTV 7 8 9 10 11 I FLOAT BOWL PARTS Continued I BE BC AT AU All I I 3 814 NEEDLE AND SEAT ASM 1 7035153 I 3 818 TUBE ASM Carb Idle I 17053628 17053628 17053627 17053627 17053627 3 825 SPRING Pump Discharge 1 7002118 3 825 GUIDE Pump Discharge I 7003838 I 3 841 SPRING Pump Return 1 7004597 ACCESSORIES I 3 726 INSULATOR Carb Heat 1 359183 I I I I I I I GM PARTS DIVISION GENERAL MOTORS CORPORAT ON CHEVROLET 1O REV 9 78 aes c 3 000 GROUP