58 62 All 348 409 1st design 3735275 8 2 50 ROTATOR ASSY exhaust 1 Vl O D x thk stamped GM Note 2 NOTE 2 Used in early 1962 production See Group 0 269 Head Assy 3820640 for note relating to usage 62 65 All 348 409 2nd N design 3819334 8 2 40 ROTATOR ASSY exhaust 1 V O D x VN thk stamped GM A Note 3 NOTE 3 Used in late 1962 production See Group 0 269 Head Assy 3820640 for note relating to usage 65 69 All D351 D DH478 2460397 12 3 05 ROTATOR ASSY inlet and exhaust 66 70 All 366 427 exc L P Gas 3860091 8 2 60 ROTATOR ASSY exhaust 0 310 KEY CAP LOCK Valve Stem 38 66 All exc 322 348 366 409 Diesel 65 70 All D351 D DH478 68 69 All exc 366 427 Diesel 838029 A R 05 rib on l D Wu O D x long 58 65 All 348 409 66 70 All 366 427 3947880 32 05 green 55 Util 3716742 12 30 CAP valve noise silencer 62 69 All 3 53 4 53 6V 53 51 16341 A R 08 LOCK exhaust valve spring 0 31 1 SEAT Valve Spring 38 49 All exc D C 50 53 All 216 54 55 All 235 838539 12 10 inlet exhaust V4 high overall 62 69 All 3 53 4 53 6V 53 51 11467A R 03 exhaust 0 333 ARM Valve Rocker 50 58 All 6 cyl 3837029 3 2 20 inlet left cast 5 or 3837025 50 58 All 6 cyl 3837030 3 2 20 inlet right cast 6 or 3837026 50 58 All 6 cyl 3837031 3 2 20 exhaust left cast 7 or 3837027 50 58 All 6 cyl 3837032 3 2 20 exhaust right cast 8 or 3837028 55 70 All 8 cyl exc 322 348 366 409 427 3974290 16 1 40 raised letter 0 on inside of pad end 56 59 All 322 1169374 8 2 30 right front left rear stamped 374 56 59 All 322 1169375 8 2 30 left front right rear stamped 375 58 64 All 348 409 3732765 16 95 daub of blue paint 59 62 All 6 cyl 3764489 3 2 20 inlet left cast 3764485 I 59 62 All 6 cyl 3764490 3 2 20 inlet right cast 3764486 59 62 All 6 cyl 3764481 3 2 20 exhaust left cast 3764487 59 62 All 6 cyl 3764482 3 2 20 exhaust right cast 3764488 62 67 All 3 53 4 53 6V 53 5135267 A R 10 72 exhaust L H 62 69 All 3 53 4 53 6V 53 5126248 A R 9 47 exhaust R H 62 69 All 3 53 4 53 6V 53 5179954A R 9 22 injector 63 70 All 230 250 292 5723551 12 1 60 daub of blue paint 65 69 All D351 D DH478 2449969A R 2 80 w adj screw 65 All 409 5723552 16 1 30 w ball and nut 66 70 All 366 427 3860305 16 1 65 inlet and exhaust 0 334 BUSHING BRIDGE CLEV S PIN Valve Rocker Arm 62 69 All 3 53 4 53 6V 53 5123700A R 92 exhaust and injector clevis 62 69 All 3 53 4 53 6V 53 5150311 A R 13 injector small O L 62 69 All 3 53 4 53 6V 53 5150318A R 15 injector large 1 0 L 62 69 All 3 53 4 53 6V 53 5126154A R 2 05 BRIDGE exhaust 62 69 All 3 53 4 53 6V 53 5150312A R 2 74 CLEVIS exhaust and injector 62 69 All 3 53 4 53 6V 53 5150314A R 13 PIN exhaust and injector clevis 1V O L x V4 D 62 69 All 3 53 4 53 6V 53 5123711 A R 13 PIN exhaust clevis bridge end 0 349 SUPPORT BRACKET BOLT WASHER Valve Rocker Arm 54 62 All 6 cyl 3783230 2 1 00 front and rear cast 3783230 or 3836114 50 53 All 235 3835520 6 90 ldent 3835520 62 69 All 3 53 4 53 6V 53 5116128A R 2 26 BRACKET shaft cast 5116128 65 66 All D351 2461869 6 1 65 BRACKET shaft 65 69 All D DH478 2366780 6 1 65 BRACKET shaft 65 69 All D351 D DH478 2366782 4 1 35 BRACKET shaft end 62 69 All 3 53 4 53 6V 53 5119198A R 1 15 BOLT shaft V 14 x 3 209 M 65 69 All D351 D DH478 2379293 2 18 BOLT bracket to cyl head 56 59 All 322 1335483 8 05 WASHER bracket to cyl head 4 l D x V O D X Vin 0 352 SHAFT UNIT Valve Rocker 50 58 All 6 cyl 3729191 1 43 90 w arms Note 1 59 62 All 6 cyl 3786744 1 43 90 w arms Note 1 NOTE 1 Contains 1 frt and 1 rear valve rocker shaft 1 L H and 1 R H inlet valve rocker arm assy 2 springs and 2 washers Y 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 31S REV 6 71 0 19 0 309 0 352