60 61 CORVE l TEw1F l AC 42FF for high speed V 5612394 All 1 08 63 Ser 10 thru 30 292 C 42N 14 MM normal service VV 5612235 AH 1 08 63 ALL 230 153 AC 46N 14 MM standard 5612630 A R 1 08 When individual driving conditions warrant different heat range plugs may be used by selecting higher type Nos lor hotter and lower type Nos tor colder plugs as necessary QBNOTE May be used on previous models using 14MM plugs not equipped with boots 2 271 GASKET Spark Plug Seat 41 48 ALL 1 2 1 D x 2 Q O D 10 MM copper 1555492 6 01 38 40 ALL 57 63 ALL 9 1 1 1 x 21 O D 14 MM copper 5612328 A R 01 NOTE Hearn or remove internal projections when using on long reach plugs 2 273 WRENCH Spark Plug 38 40 ALL 49 63 ALL i 11 hox 4 length 3708444 1 60 2 274 PULLEY PULLEY UNIT FAN SPACER Generator Shaft Groove Fan 0 D Dia No Width Stamped 38 ALL exc EB EC Q HC HD HE T 39 52 ALL exc large gen 1952 Yes 33 0 1 1 597667 1 2 95 38 51 ALL low speed driving 52 ALL w 91 2 gen low speed driving Yes 27 Q 3 1 5 602253 6044236 1 3 00 48 55 ALL w 55 amp 6 volt exc L C I Yes 5 M 1 lj 191 1990 1 12 95 52 ALL w 101 g generator 53 54 UTIL 6 volt Yes 3 51 1 3 4 3700301 1 3 00 52 ALL w 1102786 5001 5002 53 55 UTIL wx1105008 5009 6 volt No 3 it 1 Ag 1922951 1 8 25 53 54 PASS exc spec equip 53 54 PASS low speed driving 53 55 COMM 6 volt exc spec equip Yes 2 17 1 1 K A 3703606 1 3 00 53 55 COMM 6 volt low speed driving Yes 21Q 17 gf 1 1 s 5846798 1 3 00 53 54 PASS spec equip 53 55 COMM 6 volt spec equip 53 55 CORVETTE 6 volt 60 61 PASS w 60 amp AC gen exc H Per Sp H Per No 5 11 1 1 1937513 1 325 53 54 PASS w 55 amp L C 1 53 55 COMM w 55 amp L C 1 6 volt 55 59 PASS w 40 45 50 amp L C l exc P S C A C 1 1 4BC 1 1 L Cam Air S 60 61 PASS w 50 amp L C 1 exc P S w 6 cyl C A C Yes 3 5 1 F W 1927039 l 11 00 53 55 ALL w 55 amp 6 volt exc L C 1 Yes 5 1 1 1 lg 1925456 1 12 95 53 55 U l 1L w 55 amp L C 1 6 volt Yes 31 Q 1 A 1928286 1 11 00 55 57 Ser 3 low spd drive exc P S 60 61 Ser 10 thru 30 w 35 amp L C 1 No 21Q 1 1 1Q 19327631 1 8 25 55 57 PASS w 25 amp exc dual 4BC E1 56 PASS w dual 4BC lst design 58 PASS w 30 amp exc 348 w H L Cam 58 PASS 3 2BC w H L Cam lst design 59 PASS w 30 amp 59 PASS P G w H L Cam 348 lst design 60 62 PASS exc 348 409 C A C 35 40 50 amp L C l A C gen Yes 27 11 1 KQ M 3710286 1 3 00 55 56 PASS w P S 55 57 CORVETTE w 4BC 57 PASS P S w 35 amp lst design exc C A C Yes 3 1 1 4 W 3712554 1 3 00 Siilffit Mm D 315 2 271 2 2741 reneral Motors Corporation