28 section 120 1973 79 TRUCK SERIES 100 500 ENGINE YEAR MODEL RESTRICTIONS CYL C I D PART NUMBER DESCRIPTION QTY C C D 12132 BUSHING CYLINDER BLOCK REPAIR DISTRIBUTOR 77 E100 350 il 251w DOOZ 12122 B AR 12144 52 Refer to group 12127 for Distributor Parts List Instructions 12A164 SWITCH ASSY DISTRIBUTOR MODULATOR TEMPERATURE AMBIENT 73 74 E100 300 6 240 D2AZ 12A164 D SW 1065 used with distributor modulator I 73 74 F100 6818 240 302 only 18 Iong incl wiring 1 360 390 72 74 E100 200 A T 8 302 1 75 F100 Before Ser V80 001 300 DSAZ 12A164 A SW 1249 1 75 F100 w dry type air 300 1 cleaner From Ser V80 001 75 F100 8 All D5AZ 12A164 B SW I250 1 75 77 E100 350 8 All 1 75 77 F100 w oil bath air 6 300 1 cleaner From Ser V80 001 76 F100 w dry type air 6 300 1 cleaner 76 F100 M T 8 302 I 76 F100 w 0 Calif emission 8 360 390 1 73 77 F100 A T 6828 All 376389 5101 UU 28 D screw se f tapping pan head AR No 8 18 X 2 4 73 77 F100 6828 All 380660 52 UU 141 screw washer drilled end 1 N6 8 18 X 1 2 75 F100 M T Canada E 360 377678 5 PP 3 E Plug button use when 12A164 is not used rubber 1 1 2 OD 1 12A168 BLEED ASSY DISTRIBUTOR VACUUM AIR 73 75 F150 350 M450 500 8 360 390 0202 12A168 A 1 73 E200 300 A T 6 240 1 76 F150 350 w 0 Calif emission 8 360 I 12A170 VALVE ASSY DISTRIBUTOR MODULATOR 73 74 e10o 200 M T 6 240 D2AZ 12A170 B Use without dual vacuum by pass 1 74 75 E1OO 6 300 1 75 77 E100 8 351W 1 73 75 F100 6 All 1 73 77 F100 8 302 360 1 390 76 E F100 w o Calif emission 6 300 1 73 E100 200 I 302 DZSZ 12A170 A 1 L E200 300 A 7 K 240 0202 12A17c A 1 73 E100 200 M T K 240 D3TZ 12A170 A Use with dual vacuum by pass 1 73 E200 82 M T 240 1 75 7100 1 1420 soo a 460 4 02FZ 12A17oA 1 75 E250 350 8 460 1 73 E100 300 F100 302 360 45963 S2 B 227 B bolt valve brkt assy to 1 390 manif0ld 5 16 18 x 62 73 E100 300 F100 6878 240 360 384817 5 WW 127 Z stud 1 4 20 X 5 16 18 X 1 1 4 AR 390 74 76 F100 6 300 AR 73 F100 6828 All 383210 S WW 128 A stud washer assy AR 1 4 20 x 1 4 20 x 1 55