GM cuwemc uurcx J PARIS I AlAI 01i 1IE HOLLEY 4 BARREL CARBURETORS R4772I I1IA R4773I 1U l FOR 1971 366 8 427 V 8 ENGINES WITH 4 BC NOTE Where asterick is shown in the Part Number Column refer to the variable Parts Listing Below The Part Number is listed under the applicable carburetor 1 Key Description P rt No Qty Key Description Port No Qty A sERvIcE CARBURETOR V A 44 V 1 1 80 VALVE ASSY Power 683360 1 B MAJOR REPAIR KIT 633355 1 0 82 SEAL Governor Cover Wire 2285834 3 A C MINOR REPAIR KIT 683365 1 83 WIRE Governor Cover 2285835 3 Q D1 CIAIE 4 gg 87 E h S S7ml art of Kits 385471 o e e 5 AISVSJYE 1 Eg y A17 r Spring 7 1 e 7 7 AAIAJKSWVVEL Choke Control 2367974 1 g ryD Di7 phrasm g9g3871 1 o e ave 2285775 2 v r r ran rasm r 3 8959 1 11 SCREW Throttle Body Adjusting 650550 1 99 HOUSING ASSY Throttle Operating Shaft 3958064 1 19 SCREW Diaphragm cover 3916078 4 100 COVER ASSY G overnor 3 916098 1 20 SCSEWA AND EVOCKWASHER Governor main mlegerrng grrmagy 4 Iap ragm over 4 1 2285812 6 am eerrng econ ary 362 211 SCREW Governor Diaphragm Cover 2285812 2 105 BOWL ASSY Flvai Primary 4 4 4 3936298 1 22 SCREW Pump Cam 4 3916077 1 106 BOWL ASSY Float Secondary 3966914 1 i 23 SCREW Float Bowl to Air Horn 2367996 8 107 COVER ASSY Fuel Pump 4 2386309 1 rotte n r 4 DIE8IAE1V7qVrA1SHIE A1e5hAdj14sting 2367998 1 ggggpdgry 4 Body to Air Hom 4 2368004 8 111 DIAPHRAGM ASSY Fuel Pump 2414214 1 27 SCREW Throttle Valve 4 3910219 8 118 SPRING Diaphragm Plunger 2292668 1 gashpot Aldjusting I 4 7 Ig7c t A5rAoIustrng Screw 2285846 4 overnor ousmg 32 SCREW LOCKWASHER SHAFT HOUSING 2368001 2 123 SPRING Diaphragm Secondary 44 2386320 1 33 SCREW Pump Discharge Nozzle 3960391 1 124 SPRING Fuel Pump Diaphragm Return 2367992 1 34 SCREW Fast Idle Adjusting 3933862 1 125 SPRING Pump Lever Adjusting Screw 3888872 1 35 SCREW LOCKWASHER Governor Cover 2403593 4 126 SPRING Float DISC 2 37 SCREW Float Needle Lock 3852465 2 128 SPRING Choke I 7 7 2367976 1 38 AIR HORN ASSEMBLY 4 V 583355 1 134 NUT Float Needle Adjusting 4 4 3852477 2 39 PLUG Fuel Lever Check 3852466 2 136 SPACER Throttle Connecting Rod DISC 1 40 49 GASKETS N s s Part or Kits Argo E 5 A7E 7 4 32 4 l lET yTatll1S 1rylrZ l lIl i ii iii ssmosz G 140 Roo rrrcrie c 1 h l JiiiiiiTif iiiZLi ICICI ggggggg 1 so vA1vr rnrotue Secondary asassss 2 141 ROD Ch I a 58 SHAFT ASSY Thmme 3916083 1 143 WASHER ll ITOlll6 COI1I16CllTlg Rod 810794 1 146 RETAINER Choke Rod DISC 1 59 LEVER SHAFT Throttle Secondary 3916085 1 15 PLUNGER F 7 AA C 2292667 1 61 LEVER SHAFT Throttle Operating 3916084 1 15 SCREEN Asg E 97 38527482 1 62 BODY ASSY Throttle 683359 1 153 BAEELE E 75 4 P i rr 3912152 1 ss nusuluo rnrome shari 2368016 s 15 BAEELE Egg Bm sgkrgfmlg 3912 54 1 64 BUSEHING ThrottIeFShpft 7 155 LEVER Pump Operating ry rr 3977723 1 66 F B W I 2 a 1ss LEVERIASSY ooyemor fffjjfffjjj f fffff fjff 2367973 1 gg A g 1 1s i g 157 uavsk Assv orapnragm sassom 1 s 161 RETAINER Fuel Pump Operating Lever 9431762 2 70 NEEDLE UNIT Float 1 3889775 2 152 Hgrjsjm Assy Diaphragm secondary 3935081 1 71 Fuel ll ll l 1 Governor 1 72 NUT Pump Operating Adjusting 3917710 1 166 VALVE Idle VEEA 3877144 1 73 NOZZLE Pump Discharge 2367980 1 2 8 A I 167 RETAINER Throttle Operatrng Shaft 3917 1 74 JET Main Metering Primary 1 2370788 2 768 SPRING A7 Vent Rod 3852475 1 75 JET Main Metering Secondary 2334344 2 170 ROD 7575 Vent Valve ii y 1 76 JET Governor By Pass 1 3933865 7 5 l lyE JI Fgs ts11r i ii iii iiiii 3852485 1 we r u w a parts are not rrrysmeu or may not be keyed l l g llf i y I eainer e ent ave 1 NOTE N TbA CtIVl 1 Parts found on illustration but not on Part Number List are 0 Dllatghrasgm Asg mSecgnv lEary Throttle 3 1 not applicable to the subject carburetors or are not serviced N S S Not Serviced Separately Part Not Available For Service VARIABLE PARTS LISTING KEY CARBURETORS R4772 1A R4773 1A A 679344 679345 A 77 2285722 3933866 A 122 2285815 2386319 170 3877150 3877150