194 24 6 230 235 AND 261 ENGINE ASSEMBLIES DV N V i N 0 428 ROD Valve Push N A N N41 55 All 235 V V V V 58 82 All N N V N i L f 83 4 WD lst Ser 3836280 12 1 1 0 L Q 83 89 All 194 230 3788495 A R i 9 0 L N A 0 429 BALL I NUT SCREW STUD Valve Push Rod Adjusting V 83 89 All 1 3992294 A R V dia valve rocker arm 83 89 All 3744341 16 N NUT valve rocker arm 24 1 N across the flats x t thk 38 82 All A N N A N 83 4 WD lst Ser 837385 12 N SCREW 20 x 1 ball end N A 83 89 All 3814692 16 STUD valve rocker arm ball 003 0 S N l 24 x 2 2 grooves on shank AN N N light blue paint 83 89 All 3815892 16 N STUD valve rocker arm ball 013 O S N I N N 2 4 x 2 J 1 groove on shank light blue paint A N 0 439 COVER Valve Push Rod V I 8 I N 83 89 All 194N 230 A 3 788498 2 4 u x 12 N 0 443 GASKET VaIva Push Rod Cover J 38 49 All V N N N V I 50 53 All 216 Q 802338 1 A 9 x 26 O L 38 49 All N I l N 50 53 All 216 N 3835248 6 spark plughole l D x l u 0 0 x A N V N I thick cork 50 82 All 235 8 A N A 83 4 WD lst Ser I 3701542 l 5 x 27 w lobe on bottom 63 89 All 194 230 A V 3920938 N 2 A 1 I 0 446 BOLT Valve Push Rod Cover V 83 89 All 3814350 A R w lockwasher and seal 18 x N A 0 459 TAPPET Valve or Lifter N N 4 I 38 39 All I 838774 12 N 40 53 All 218 839283 12 w rod seat white paint spot 50 55 All 235 N 3680438 12 w rod seat yellow paint under rod seat 58 82 All N O 83 4 WD lst Ser N 5231880 12 mechanical type 2 long two piece l A N A body A 83 89 All A A Q V 5232450 A R hydraulic type 0 519 CAMSHAFT V I N N NOTE Engine Camshaft Break in Oil Group 1 850 should be used when installing new camshafts 54 55 All V 1 58 D D 2nd design 1 59 N Ser 3 A N 80 82 All i1 V V N 83 4 WD lst Ser 3838482 1 N Ident No 3836127 83 89 All 194 230 A 3864918 1 N IdeAnt No 3864897 N N 0 533 BEARING Camshaft Thrust NN N I 1 N A 38 82 All l N I N V 83 4 WD Nl st Ser N 3707916 1 w spacing ring flat on 2 sides 83 89 All P 3790531 1 BEARING UNIT w spacing ring l a 0 0 V A N AV X1 3g D 0 539 N QEARING Camshaft All Locations 1 thru 5 54 82 AllNw large journals 83 4 WD lst Ser 3723581 1 front inter No 2 N 54 82 All w large journals A N 83 4 WD lst Ser 3723582 1 rear inter No 3 A V 83 89 All 194 230 N 3750884 A R front inter No 2 rear inter No 3 N A 83 89 All 194 230 N 3750882 A R front No 1 rear No 4 0 543 BEARING Camshaft Front Intermediate See Group 0 539 for Model N N Application V ka I 0 546 BEARING Camshaft Center and Rear Intermediate See Group 0 539 for Model Application N N N 0 549 BEARING Camshaft Rear See Group 0 539 for Modal Application V N A N GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL REV 5 79 A N N 0 15 N 0 428 0 549