GMO 5 1979 84 250 L6 ENG NE PART II I COVER ASM Valve Rocker Arm 4 4 0 386 2 BOLT Hex 5 I6 18 x 5 8 8 900 3 CAP Crankcase Oil Filler 1 758 4 REINFORCEMENT Valve Rocker Arm Cover Bolt 0 413 5 STUD Valve Rocker Arm Cover 0 413 6 GASKFI Valve Rocker Arm Cover 0 423 7 CLIP Spark Control Pipe 2 420 8 GROMMET Vent Hose Connector 1 745 9 KEY Valve Spring Cap 0 310 10 CAP Valve Spring 0 309 11 SHIELD Valve Spring Oil 0 308 12 SPRING Valve With Damper 0 303 13 BOLT Hex 3 8 16 x 4 1 4 8 900 14 TUBE Throttle Bore 3 680 15 STUD Exhaust Manifold 3 513 18 BOLT Exhaust Manifold End 3 8 I6 x 2 I 4 3 275 17 BOLT Hex 7 16 14 x l 8 900 18 WASHER Lock 7 16 8 931 19 LOCK Exhaust Manifold End Bolt 3 804 20 BRACKET Engine Lifting Rear N S 21 WASHER Flat 25 64 x 3 4 x 1 32 8 929 22 HEAD ASM Cylinder 0 269 23 SWITCH Water Temperature 1 1 50 24 GASKET Exhaust Manifold 3 270 25 MANIFOLD Exhaust 3 601 26 BOLT Exhaust Manifold 3 B 16 x 2 1 4 3 275 27 THERMOSTAT Manifold Heat Control Valve 3 640 28 NUT Hex 5 16 24 8 915 29 WASHER Lock 5 I 6 8 931 L 30 STUD Exhaust Manifold Heat Valve 3 880 3I VALVE Exhaust 0 297 32 VALVE Intake 0 296 33 GASKET Cylinder Head 0 289 34 SWITCH Oil Pressure 1 800 35 SWITCH Water Temperature 1 150 36 GASKET Thermostat Housing 1 252 37 GASKET EGR Valve 3 670 38 VALVE EGR Emission 3 670 39 BOLT Hex 5 I6 I 8 x 7 8 8 900 40 LOCK EGR Valve Bolt 3 680 41 BOLT Hex 3 8 I6 x 1 8 900 42 HOUSING Thermostat 1 251 43 THERMOSTAT Coolant Temp 1 246 44 GASKET Coolant Outlet 1 154 45 OUTLET Coolant I 153 46 SWITCH EGR Vacuum Valve Control 3 670 47 BRACKET Engine Lifting Front N S 48 BOLT Cylinder Head 1 2 I3 x 3 37 S4 0 293 49 BOLT Cylinder Head l 2 13 x 4 3 8 0 293 50 PLUG Spark 2 270 51 ROD Valve Push 0 426 52 STUD Valve Push Rod Adiusting 0 429 53 ARM Velve Rocker 0 333 54 BALL Valve Adiusting 0 429 55 NUT Valve Adjusting 0 429 u WAREHOUSlNG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCI 5ZA 1 84 0 s 0 000 GROUP