1946 70 ENGINE ASSEMBLIES i 0 386 COVER GROMMET Valve Rocker Arm Con t 55 62 All 6 cyl 3758661 1 27 O L Note 1 67 69 All D351 D DH478 exc Tilt 8868704 L H left 67 69 All D351 D DH478 exc Tilt 8871057 R H V right 62 66 Ser 60 4 53 67 68 Ser 50 60 Tilt 4 53 5128373 1 COVER ASSY 63 67 All 6 cyl exc Diesel ay 68 70 All 250 292 exc Tilt 3980229 1 COVER ASSY A 66 69 All 366 427 338261 L H COVER ASSY left 66 70 All 366 427 3887180 R H COVER ASSY right 59 66 All 283 327 l 1 V n 67 Ser 40 thru 60 8 cyl exc 366 3910298 A R COVER ASSY right and left Note 2 3 68 70 All 307 327 350 6272227 L H COVER ASSY left or right 68 Tilt DH478 643521 R H l COVER ASSY right 64 69 All exc Diesel 3894337 1 GROMMET cover to a cl l D Note 4 5 0 413 BOLT INSULATOR REINFORCEMENT SCREW Valve Rocker Arm 0V6I NOTE 1 Use with Bolt 180016 54 70 All 180016 1 20 x z 8 900 38 53 All 839083 2 INSULATOR rubber z I D x 0 D 55 70 All 3877670A R REINFORCEMENT 1 z O L Note 1 62 69 All 3 53 4 53 6V 53 5100104A R SCREW clamping oval cr recess l 18 X 5 au V 0 423 GASKET Valve Rocker Cover 1 38 53 All 3694248 1 cork l thk 38 53 All 3696781 1 cork 4 thk 54 62 All 6 cyl 3708646 1 cork gz thick 54 62 All 6 cyl 3708648 1 cork thick 55 70 All 8 cyl exc 322 346 366 409 427 3933964 2 58 65 All 348 409 3795426 2 cork rubber composition u thk 62 67 All 3 53 6V 53 5147994A R 18 z O L 4 holes 63 70 All 6 cyl exc Diesel 3930912 1 65 69 All D351 D DH478 2463688 2 66 70 All 366 427 3860315 2 21 gz O L x 6 la wide 6 tabs A 0 426 ROD RETAINER SPRING SEAT Valve Push V 41 55 All 6 cyl exc 216 3836261 12 10 long i 55 62 All 6 cyl 3836260 12 1 1 n long solid V 55 70 AIl 265 283 307 327 350 3796243 16 7 u 0 L blue stripe 58 65 All 348 409 3755545 8 inlet 8 i O L green stripe 58 65 All 348 409 3755543 8 exhaust 9 i 0 L yellow stripe 62 69 All 3 53 4 53 6V 53 5128640 A R I 5 M O L 1 63 70 All 292 3788494 12 1 1 i O L black stripe 63 66 Ser 50 230 250 y 67 70 Ser 40 250 3788495 12 9 O L 65 69 All D351 D DH478 2462491 12 valve push O L 66 70 All 366 427 3860087 8 inlet 8 4 O L light green stripe 66 70 All 366 427 3860089 8 exhaust 9 M O L white stripe 62 69 All 3 53 4 53 6V 53 5150303A R RETAINER snap ring 1 lu free O D 4 62 Diesel 5186858A R SPRING exhaust 2 approx free lgth 62 65 All 4 53 6V 53 SPRING injector 2 orange stripes 63 69 All 3 53 4 53 6V 53 5108918A R exhaust 62 69 All 3 53 4 53 6V 53 5123250 A R SEAT exhaust spring Iwr internal pilot serrated z dia neck x 4 thk 62 69 All 3 53 4 53 6V 53 51089J9A R V SEAT injector spring upr external pilot and exhaust spring upper 0 429 STUD BALL NUT SCREW Valve Push Rod Adjusting 57 62 All 8 cyl exc 322 63 70 All exc Diesel 366 427 3815892 A R rocker arm ball 013 O S 24 x 2 1 groove on shank orange paint 57 62 All 8 cyl exc 322 63 70 All exc Diesel 366 427 3814692 A R rocker arm ball 003 0 S 24 x 2 z 2 grooves on shank lt blue paint 66 70 All 366 427 3921912 16 valve rocker arm ball 55 69 All 8 cyl exc 322 348 366 409 427 70 AlI 350 3959142A R BALL dia 58 65 All 348 409 63 70 All 6 cyl exc Diesel 3992294A R BALL dia 3 66 70 All 366 427 3899622 16 BALL N dia valve rocker arm GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM j 0 386 0 429 l 0 18 REV 5 79