CHASSIS ELECTRICAL SYSTEM 2 251 SUPPORT B RACKET CLIP GROMMET RETAINER SHIELD I Spark Plug Wnre C n t I 70 74 Y EXC 454 4 4 3B5449BR H 68 SUPPORT LWR 70 80 Y EXC 454 3923971 L H 1 IO SUPPORT IGN LWR SHLD LWR 68 71 Y 396 427 454 3928902R H 48 SUPPORT FRT 75 80 Y 351693 L H 71 SUPPORT RR LWR 75 80 Y 354332 2 1 05 SUPPORT Sl 75 Y 354417 L H 1 75 SUPPORT RDO IGN SHLD 75 77 Y 354418R H 1 75 SUPPORT RDO IGN SHLD 76 Y W A T 369334 L H 1 80 SUPPORT RDO IGN SHLD 75 79 Y 350 354416A R 52 SUPPORT SPLG WIRE 78 B0 Y 305 350 468244 1 77 SUPPORT SPLG WIRE RR UPR 3 454 78 79 Y EXC SP H PER 330521 L H 23 BRACKET SPLG SHLD RR B0 Y 305 330521 2 23 BRACKET SPLG SHLD RR 58 71 Y 283 327 350 3744409 2 3l CLIP n WIDE HOLE SPLG WIRE TOOILPAN 65 80 Y 3744408 2 31 CLIP n WIDE ONE u HOLE SPLG WIRE TO OIL PAN 75 76 Y 4 372539 1 22 CLIP SPLG WIRE 56 57 Y 3707952 B 20 GROMMET SI CONT SPEED AND CRUISE u HOLE 0 D 56 67 Y EXC 396 427 371S963A R 20 GROMMET RR UPR AND LWR FOUR HOLES 68 70 Y EXC 427 3719963A R 20 GREMMET RR UPR AND LWR FOUR HOLES 70 74 Y EXC 454 3719963A R 20 GRISMMET RR UPR AND LWR FOUR HOLES 65 69 Y 350 396 427 38697I6A R 30 GROMMET SIDE I 70 74 Y 3869716A R 30 GROMMEI SIDE 75 77 Y 351692 2 40 GROMMET 75 B0 Y 351694 L H 36 GROMMET USE W 8 MM WIRE I 64 68 Y 2965950AR 37 RETAINER I 73 74 Y 350 EXC CALIF 2965950A R 37 RETAINER 65 Y 395 372540A R 22 RETAINER RR SI 66 71 Y 427 454 W SP H PER 372540A R 22 RETAINER RR SI 72 74 Y 454 372540A R 22 RETAINER RR SI 77 79 Y 372540 2 22 RETAINER NO 4 WIRE BRKT MT W LK TOP 75 B0 Y 357125A R 22 RETAINER SLIP ON i 57 69 Y 8 CYL EXC 395 427 3817657A R V 1 40 SHIELD LH RR AND RH FRT EXC CANADIAN 70 76 Y EXC 454 3817657A R 1 40 SHIELD LH RR AND RH FRT EXC I CANADIAN 77 80 Y 3817657 R H 1 40 SHIELD FRT EXC CANADIAN 57 67 Y B CYL EXC 396 427 3917664R H 1 20 SHIELD RR NOTE 1 I 66 Y EXC 427 39I7684R H 1 20 SHIELD RR NOTE 1 f 69 79 Y EXC 454 3917664R H 1 20 SHIELD RR NOTE 1 68 71 Y 8 CYL EXC 396 427 454 I AM FM RADIO 3919807 L H 1 10 SHIELD FRT I 72 75 Y 350 3919807 L H 1 10 SHIELD FRT I 73 74 Y 454 336716 8 52 SHIELD HT 69 70 Y W AM FM RADIO 3973609 1 7 20 SHIELD RDO IGN FRT I 69 70 Y W AM FM RADIO 3973610 1 5 95 SHIELD RDO IGN RR I 77 78 Y 460723R H SHIELD CANADIAN ONLY 2 257 TERMINAL Spark Plug Wlrs 53 55 Y 6 VDLT 200078A R 21 TERMINAL ENG AND GEN WRG HARN 2 258 NIPPLE PROTECTOR Spark Plug Wlre I 53 69 Y 5289527 A R 12 NIPPLE DISTRIBUTOR PLASTIC 1 IJ I LONG I 53 54 Y 6 CYL 5297132 6 54 PROTECTOR BELLOWS TYPE PACKARD j 285 I 2 270 KIT PLUG Spark I NOTE When Individual driving conditions warren different heat range plugs may be used by selecting I higher type Nos for hcrter and Iuwer type Nas far colder plugs as necessary NOTE 1 Msy be used on previous models using MMM plugs not equipped with boots NOTE 2 Consists of 8 spark plugs 7 RCM valve RECOMMENDED SERVICE r 75 Y V 8 1154278 I N L KIT ENG TUNE UP NOTE 2 L 76 79 Y 350 1155145 I N L KIT ENG TUNE UP GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 14 REV 6 79 z a 2 261 2 270