283 ENGINE ASSEMBLY 0 413 BOLT REINFORCEMENT Valve Rocker Cover ana Support 62 67 All 283 180016 1 08 4 20 x I 1 8 900 62 67 All 283 3877670A R 14 REINFORCEMENT 1 U 0 L Note 1 NOTE l Use with Bolt 7800 76 0 423 GASKET Valve Rocker Cover il 64 67 All 283 3933964 2 2 00 i 0 426 ROD Valve Push 64 67 All 283 3796243A R 2 35 7 u 0 L blue stripe Note 1 2 3 l NOTE l May also be used on all past model 253 cu in high performance engines if improved durability is required V N07 E 2 May have one b ec stripe at each end V NOTE 3 L 0lor marked end to be at valve rocker arm 0 429 BALL NUT STUD Valve Push Rod Adjusting 64 69 All 283 3959142A R 42 dia 62 70 All 283 3744341 16 24 NUT valve rocker arm 24 across the flats x I 62 69 All 283 3814692 16 59 STUD vaIve rocker arm ball 003 0 S light blue paint 62 69 All 283 3815892 16 59 STUD valve rocker arm ball 013 0 5 24 2 x 1 groove on shank light blue paint 0 459 TAPPET Valve or Lifter 62 67 All 283 5232670 16 N L hydraulic type 0 519 CAMSHAFT NOTE Engine Camshaft Brea in Oil lU5080U Group l 85U should be used when installing new camshafts 64 67 All 283 3896929 1 53 50 standard ident No 3896930 0 539 BEARING Camshaft Front or No 1 64 67 All 283 3723584 1 2 65 precision type stamped 1 0 543 BEARING Camshaft No 2 Front Intermediate 64 67 All 283 3723585 1 2 65 precision type stamped 2 0 546 BEARING Camshaft Center and Rear Intermediate 64 67 All 283 3723586A R 2 65 stamped 3 and 4 0 549 BEARING Camshaft Rear 64 67 All 283 3723595 i 2 65 precision type stamped 2 0 543 0 553 PLUG Camshaft Bearing Hole cup type in cylinder block 62 67 lll 283 I 3704158 1 24 l2 dia i 0 603 ROD ASSY Connecting Less Dipper 64 67 All 283 3864881 8 15 25 L 0 616 BEARING UNIT Connecting Rod 1 Upper and 1 Lower Refer to chart for Model Application NOTE See Dea er Price Schedule for applicable prices CONNECTING ROD BEARING UNIT CHART MODEL USAGE STD 001 U S 002 U S 010 U S 020 U S 62 67 All 283 347118 3715041 3715046 3715048 3715047 0 623 BOLT Connecting Rod Bearing Cap 64 67 All 283 460405A R 92 2 24 x 1 repl 3892670 0 626 NUT Connecting Rod Bearing Cap Bolt 62 67 Chevy Chevelle Camaro 283 9422298A R 10 24 x thick one and ohamfered 8 917 65 67 Pass 283 3815280 16 26 H 24 type EA phosphate coated and soaped 64 67 All 283 exc Chevy 3866766A Fl 14 24 x thick hex nut both ends flat Note 1 NOTE I Also used with bo ts not requiring carter pins GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 REV 4 77 Ms 0 41 3 0 626