1 ENGINE 1 1 0 333 ARM ARM KIT Engine Valve Rocker C n 1 1 71 Y 454 W SP H PER 3959182 16 7 65 ARM STAMPED H 1 65 69 Y 396 427 W SP H PER 5258611 16 1 1 N L ARM KIT W BALL AND NUT 57 69 Y 427 W H D 1ST DESIGN 6258611 16 N L ARM KIT W BALL AND NUT 83 69 Y 427 EXC SP H PER H D 1 1 AL CYL AND CASE 6258611 16 N L ARM KIT W BALL AND NUT 70 Y 454 EXC H D 6258611 16 N L ARM KIT W BALL AND NUT 71 72 Y 454 W H PER 1 8258611 16 N L ARM KIT W BALL AND NUT 73 74 Y 454 6256611 16 N L ARM K T W BALLAND NUT 0 353 SHAFT Valve Rocker Arm NOTE 1 WHEN USED ON MODELS PRIOR TO 1954 FOUR 9411925 BOLTS AND TWO 3835659 STUD5 1 ARE REQUIRED 1 1 53 55 Y 6 CYL 3836138 2 8 80 SHAFT 2 GROOVES ON PLUG END 1 INOTE 1 0 386 COVER COVER KIT EMBLEM GROMMET Engine Valve Rucker Arm NOTE 1 MAY BE bSED WITH OR WITHOUT CLOSED VENT NOTE 2 WHEN USING ON CLOSED VENT EOUIPPED VEHICLES IT WILL BE NECESSARY TO REMOVE CENTER FROM GROMMET TO PERMIT ASSEMBLING OF FRESH AIR CONNECTOR INTO SIDE OF COVER 66 59 Y W DUAL 48C F 3726086 2 22 95 COVER CAST ALUMINUM CORVETTE NA 11 l IBOSSED 1 59 61 YW 48C L 3910298 2 15 90 C11 I ER RH OH LH 1 1 62 67 Y 327 EXC SP H PER F l 3910298 2 15 90 COVER RH OR LH 1 66 Y 427 W SP H PER 325174 RH 41 50 COVER CHROME 1 60 Q Y 4271W SF H PER 3908923 LH 45 25 COVER CHROME ALUM HD 1 67 Y 427 EXC SP H PER A l R 338262 RH 24 75 COVER 1 67 Y 427 W SP H PER EXC A l R I 325174 RH 41 50 COVER CHROME 67 Y 427 W SP H PER A I R 3902390 RH 45 25 COVER CHROMEPLATE ALUM HD 67 Y 127 W SP H PER 3908923 LH 45 25 COVER CHROME ALUM HD 1 66 Y 327 EXC SP H PER 6272227 2 21 65 COVER 68 Y 327 W SP H PER 3923226 2 37 75 COVER CHROME 1 68 69 Y 427 325174 RH 41 50 COVER CHROME 1 68 70 Y 427 45 1 325169 LH 43 75 COVER CHROME 1 1 69 73 Y 350 EXC H PER SP 1 1 1 I H PER 1 6272227 2 21 65 COVER 69 Y 350 W H PER 1 474207 LH 59 75 COVER W OIL FILLER CAP 1 1 69 77 Y 350 W H PER SP H PER 1474208 RH 59 75 COVER 70 77 Y 350 W H PER SF H PER 474207 LH 59 75 COVER W OIL FILLER CAP 1 70 Y 454 325174 RH 41 50 1 COVER CHROME 71 72 Y 454 335261 LH 24 65 COVER 71 74 Y 454 1 336262 RH 24 75 COVER 1 1 73 76 Y EXC 454 SP H PER 14025551 RH 20 15 COVER 74 77 Y 350 EXC SP H PER 14025552 LH 21 95 COVER 77 80 Y 305 350 EXC SP H PER 14025551 RH 20 15 COVER 1 L 78 79 Y 350 EXC SP H PER 484877 LH 21 60 1 COVER 1 78 80 Y 350 W SF H PER 14026553 LH 55 00 COVER 78 80 Y 350 W SP H PER 140255541 RH 65 00 COVER 1 80 Y 305 1 14026552 LH 21 95 COVER Q 1 1 60 Y 305 EXC SP H PER 14095094 LH 21 60 COVERI 8 I 82 Y 14025553 LH1 65 00 COVER l 1 T 1 81 82 Y 14025554 RH 65 00 COVER l 69 61 Y EXC 4BC 3767493 2 20 45 COVER KIT 1 62 67 Y 327 W SP H PER F 3767493 2 20 45 COVER KIT 1 1 69 82 Y 3946860 2 1 35 EMBLEM CVR 1 1 65 69 Y L 3894337 1 35 GROMMET COVER TO A CL 15 I6 ID X 1 17 32 0D 1 745 NOTE 1 2 72 Y 454 W H PER 3894337 1 1 35 GROMMET COVER T0 A CL I5 16 ID X 1 1 17 32 0D 1 745 NOTE 1 2 1 1 0 413 BOLT REINFORCENIENT STUD Engine Valve Rocker Arm Cover 1 NOTE 1 USE WITH BOLT 180016 1 54 82 Y 1 388708 AR 30 8OLT FLG HEX 1 4 20 X 9 16 275M 78 Y 460578 8 36 BOLT 1 4 20 X 440 80 Y 305 350 EXC SP H PER 480578 7 36 BOLT 1 4 20 X 440 1 54 77 Y L 3877670 AR 28 REINFORCEMENTII 1 2 O L NOTE 1 1 1 1 80 Y 305 350 EXC SP H PER 1 1 1 01 428 6270052 RH 40 STUD VLV RKR CVR RR OUTBOARD 1 0 423 1 GASKET SEALANT Engine Valve Rocker Arm Cover NOTE FOR 1978 E1 SEALER IS USED IN PLACE OF VALVE ROCKEII COVER GASKET 54 56 Y 5 CYL 1 3708646 1 4 05 GASKET CORI 1 4 THICK 55 77 Y EXC 396 427 454 3933964 2 N L GASKET 1 1 Vl AREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14 4 1 0 3 3 0 423 1 1 0 10 1 REV 12 83 1 1 D 24 1 1