0 439 COVER CLAMP GUlDE Valve Push Rod and Cylinder Block 50 62 All 6 cyl 3701541 1 2 65 5 x 27 dimpIe in center 62 69 All 4 53 5116374 1 1 53 cyl block hand hole 8 z O L between holes on each end 6 holes 62 66 Ser 80 6V 53 5183184 4 1 09 cyl block hand hole 63 66 Ser 50 230 250 67 70 Ser 40 250 3788496 2 1 25 4 z x 12 63 66 Ser 50 60 292 67 70 All 292 3789547A R 1 45 push rod 65 69 All D351 D DH478 2367250 1 1 01 push rod 65 67 All 3 53 5116373 1 1 32 hand hole 62 66 Ser 80 6V 53 5130590 4 68 CLAMP hand hole cover 66 70 All 366 427 3860038 8 55 GUIDE 2 holes and 2 U slots 67 All 366 3904378 8 50 GUIDE Vu push rod s ot z thick 0 443 GASKET Valve Push Rod and Cylinder Block Cover 38 49 All 50 53 All 216 602336 1 1 05 9 x 26V 0 L 38 49 All 50 53 All 216 3835246 6 10 spark plug hole 1Vl D x 1 z O D x V4 thk V cork 50 62 All 6 cyl 3701542 1 95 5 x 27 ube or bottom 62 69 All 4 53 5116381 1 15 cyl block hand hole cover 8 z 0 L between holes on each end 6 holes 62 66 Ser 80 6V 53 5185416 4 29 cyl block hand hole cover 63 66 Ser 50 230 250 67 70 Ser 40 250 3920938 2 1 10 push rod and cover 63 66 Ser 50 60 292 67 70 All 292 3858936 2 90 push rod cover 65 69 All D351 D DH478 2491538 1 90 push rod cover 65 67 All 3 53 5116380 1 13 hand hole cover 0 446 BOLT WASHER Valve Push Rod Cover 63 66 Ser 50 60 6 cyl 67 70 All 6 cyl exc Diesel 3814350 6 10 w lockwasher and seal 18 x Vu 56 59 All 322 120393 2 WASHER to crankcase Vu l D 8 929 0 459 TAPPET Valve 38 39 All 838774 12 1 45 40 53 All 216 839263 12 1 90 w rod seat white paint spot 41 55 All 235 3660438 12 1 90 w rod seat yellow paint 41 55 All 261 3836342 12 1 90 mechanical type single groove around body 55 65 All 8 cyl exc 322 66 All 8 cyl 67 70 All 8 cyl exc 366 427 3799644 16 3 20 hydraulic type HL 20 two piece body reduced dia unmachined surface at top of body w one groove at upper end 56 62 All 6 cyl 5231880 12 1 80 mechanical type two piece body 56 59 All 322 5232245 16 3 76 hydraulic type 63 70 All 6 cyl 5232450A R 3 20 hydraulic type 65 69 All D351 D DH478 2462493 12 2 30 67 70 All 366 427 5232700 16 3 34 0 480 FOLLOWER ASSY GUIDE ROLLER Camshaft 62 68 All 3 53 4 53 6V 53 5115087A R 5 69 62 69 All 3 53 4 53 6V 53 5116125A R 1 99 GUIDE follower approx 3Vl O L between 2 holes 62 69 All 3 53 4 53 6V 53 5195220A R 3 04 ROLLER w pin 0 51 9 CAMSHAFT NOTE Engine camshaft break in oil 1050004 Group 1 850 should be used when installing new camshaft 38 53 All 216 3836491 1 31 60 forged 838733 w ring and key 41 53 All 235 exc P G 3836490 1 28 00 forged 3836023 2 grooves between No 5 and 6 inlet cams 54 55 All 6 cyl exc P G 59 62 All 235 3836482 1 30 85 ident No 3836127 54 62 All 261 56 58 All 235 3836484 1 30 85 Ident No 3836390 55 61 All 8 cyl exc 322 348 62 All 283 3704212 1 28 45 ldent No 3703906 58 65 All 348 409 3744901 1 35 70 Ident No 3744430 62 All 327 63 70 All 283 307 327 350 3896929 1 28 45 standard Ident No 3896930 62 69 Ser 50 60 4 53 5126932 1 89 63 ldent No 5126748 62 66 Ser 80 6V 53 5199396 1 82 96 left bank 62 66 Ser 80 6V 53 5199397 1 80 54 right bank I 63 65 Ser 50 230 3864918 1 28 45 Ident No 3864897 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31S 1 0 439 0 519 0 22 REV 6 71