4 265 AND 283 ENGINE ASSEMBLIES 0 426 ROD Valve Push 4 R I 4 NOTE 1 May have one black stripe at each end NOTE 2 Color marked and to be at valve rocker arm 4 55 67 All 285 283 3796243 A R 7 u O L blue stripe Note 1 2 0 429 BALL NUT STUD Valve Push Rod Adjusting l A 55 67 All 285 283 r 3959142 A R 55 67 All 265 283 3744341 16 NUT valve rocker arm 24 across the flats x a thk 57 67 All 285 283 3814692 16 STUD valve rocker arm ball 003 O S 24 x 2 2 grooves on shank f A light blue paint 57 67 All 265 283 3815892 16 STUD valve r0cker arm ball 013 O S 24 x 2 1 groove on shank light A blue paint 0 459 TAPPET Valve or Lifter A g I 4 55 67 All 285 283 I 5232720 16 hydraulic type V 0 519 4 CAMSHAFT v NOTE Engine Camshaft Break in Oil Group 1 850 should be used when installing new camshafts 55 62 All 265 283 3704212 1 ident No 3703906 63 67 All 265 283 3896929 1 standard Ident No 3896930 3 0 539 BEARING Camshaft All Locations 1 thru 5 55 67 All 265 283 3723584 front No 1 I 55 67 All 265 283 front inter No 2 L 64 67 All 283 37235 85 2 rear No 5 55 67 All 265 283 3723586 2 center No 3 rear inter No 4 55 63 All 265 283 3723567 1 rear No 5 I 0 543 BEARING Camshaft Front Intermediate See Group 0 539 for model A V application gy l 4 V 4 0 546 A BEARING Camshaft Center and Rear Intermediate See Group 0 539 for V model application r A 0 549 BEARING Camshaft Rear See Group 0 539 for model application 0 553 PLUG Camshaft Bearing Hole cup type in cylinder block V 57 All 285 2nd design 1 58 67 All 283 V 3704 158 1 2 dla 0 603 ROD ASSEMBLY Connecting Less Dipper l A I 55 61 I All 265 283 3703525 8 insert bearing type forged 3703527 62 67 All 283 Q 3864881 8 4 0 616 BEARING UNIT Connecting Rod 1 Upper and 1 Lower Refer to chartfor Model Application I NOTE See Dealer Price Schedule P A 26 for applicable prices A CONNECTING ROD BEARING UNIT CHART A MODEL USAGE STD 001 U S 002 U S 010 U S 020 U S 55 67 All 265 283 g 3711828 347119 3715046 3715048 r 3715047 0 623 BOLT Connecting Rod Bearing Cap r 55 67 All 265 283 460405 A R A 4 T 4 0 626 NUT Connecting Rod Bearing Cap Bolt l I NOTE 1 A so used with bolts not requiring cotter pins 55 67 All 265 283 3815280 16 24 type EA phosphate coated and soaped i A 60 67 All 283 3866766 A R f 24 x thick hex nut both ends V flat Note 1 l r M GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL REV 5 79 i O 51 A 0 426 0 626