l l GMO 5 123 j 1976 79 250 L6 ENGINE WITH INTEGRAL CYL HEAD MANIFOLD PART III 1 COVER ASM Valve Rucker Arm 0 386 2 BOLT Valve Rocker Arm Cover i 18 x 8 900 3 CAP Crankcase Oil Filler I 758 4 REINFORCEMENT Valve Rocker Arm Cover Bolt 0 413 5 STUD Valve Rocker Arm Cover 0 413 6 GASKET 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 I2 SPRING Valve with Damper 0 303 13 BOLT Cylinder Head 16 x 4 B 8 900 14 TUBE Throttle Bore 3 680 15 STUD Exhaust Manifold 3 613 16 BOLT Exhaust Manifold End 16 x Z 3 275 17 BOLT Engine Lifting Brkt 7 14 x 1 8 900 18 LOCKWASHER lt 8 931 19 LOCK Exhaust Manifold End Bolt 3 613 20 BRACKET Engine Lifting Rear N S l 21 WASHER Exhaust Manifold x x 3 275 22 HEAD ASM Cylinder 0 269 23 SWITCH Water Temperature 1 150 24 GASKET Exhaust Manifold 3 270 4 25 MANIFOLD Exhaust 3 601 26 BOLT Exhaust Manifold I6 x Zl 3 275 27 THERMOSTAT Manifold Heat Control Valve 3 640 28 NUT 24 8 9I5 29 LOCKWASHER I 8 931 30 STUD Exhaust Manifold Heat Valve 3 680 31 VALVE Exhaust 0 297 l 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 E G R Valve 3 870 38 VALVE E G R Emission 3 670 39 BOLT E G R Valve Mtg l l8 x 8 900 40 LOCK E G R Valve Bolt 3 680 41 BOLT Thermostat Housing 16 x 1 8 900 42 HOUSING Thermostat I 251 43 THERMOSTAT Coolant Temp 4 I 246 44 GASKET Coolant Outlet 4 4 1 154 45 OUTLET Coolant 4 1 153 46 SWITCH E G R Vacuum Valve Control 4 4 3 670 47 BRACKET Engine Lifting Front 4 N S 40 BOLT Cylinder Head 13 x 3 u 0 293 49 BOLT Cylinder Head 13 x 4 J 0 293 50 PLUG Spark 2 270 51 ROD Valve Push 4 0 420 52 STUD Valve Push Rod Adjusting 0 429 l 53 ARM Valve Rooker 4 0 333 54 BALL Valve Adjusting 0 429 V 55 NUT Valve Ad usting 0 429 l GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET l0A 9 78 ozs 0 000 GROUP