GMO 4 123 1 1976 79 250 L6 ENGINE EXCEPT INTEGRAL CYL HEAD MANIFOLD PART II l 1 COVER Valve Rocker Arm 4 0 386 2 CAP Crankcase Oil Filler 1 758 l 3 BOLT Valve Rocker Arm Cover t 20 x I 8 900 l 4 REINFORCEMENT Valve Rocker Arm Cover Bolt 0 413 i 5 GASKET Valve Rooker Arm Cover 0 423 5 CLIP Spark Control Pipe 2 420 7 GROMMET Vent Hose Connector 1 745 i 8 KEY Valve Spring Cap 0 310 l 9 CAP Valve Spring 0 309 I 10 SHIELD Valve Spring Oil 0 308 I 1 I SPRING Valve 0 303 12 HEAD Cyllnder 0 269 13 BOLT Engine Lifting Brkt l 14 x l 8 900 14 LOCKWASHER 7 8 931 I5 BRACKET Engine Lifting Rear N S 18 GASKET Intake and Exhaust Manifold 3 270 17 STUD Intake and Exhaust Manifold Clamp 3 275 18 CONNECTOR Crankcase Vent N S 19 STUD Carburetor to Manifold 3 275 l 20 CLAMP Intake and Exhaust Manifold 3 273 21 NUT Manifold Clamp Stud 14 8 915 22 MANIFOLD Fuel Intake 3 265 23 GASKET Intake to Exhaust Manifold 3 272 24 MANIFOLD Exhaust 3 601 25 PLUG Exhaust Manifold N S 26 STUD Exhaust Manifold to Exhaust Pipe Flange 3 275 27 GASKET Exhaust Pipe to Manifold 3 61I l 28 LOCKWASHER Exhaust Manifold 8 931 l 29 BOLT Exhaust Manifold l 16 x Z 8 900 y 30 EUSHING Manifold Heat Control Valve 3 847 31 VALVE Manifold Heat Control N S i 32 SPRING Manifold Heat Control Valve Stop 3 641 33 PIN Heat Control Valve Anchor N S 34 THERMOSTAT Manifold Heat Control Valve 3 640 35 SHAFT Exhaust Manifold Valve N S 35 STUD Intake Exhaust Manifold 3 275 37 BOLT Manifold Clamp I6 x 1 8 900 38 CLAMP Intake Ee Exhaust Manifold 3 273 39 GASKET E G R Valve 3 680 40 VALVE E G H Emission 3 670 41 CLAMP E G R Valve 3 680 42 LOCK E G R Valve Clamp Stud 3 672 43 STUD E G R Valve 3 672 44 NUT 24 8 915 45 VALVE Exhaust 0 297 48 VALVE Intake 0 298 47 GASKET Cylinder Head 0 289 48 SWITCH Water Temperature 1 150 l 49 PLUG Engine Block Cylinder Head 0 034 l 50 NIPPLE Thermal By Pass Hose 8 866 51 GASKET Thermostat Housing 1 252 52 HOUSING Thermostat 1 251 l 53 BOLT Thermostat Housing P 16 x l 8 900 I 54 STUD Alr Cond Compressor Adj Brkt 0 004 55 THERMOSTAT Coolant Temperature 1 246 56 GASKET Coolant Outlet 1 154 57 OUTLET Coolant Z 1 153 58 SWITCH E G R Vacuum Valve Control 3 670 59 BOLT Lifting Bracket 18 x 8 900 l 60 BRACKET Engine Lifting Front N S 81 BOLT Cylinder Head 0 293 62 PLUG Spark 2 270 63 ROD Valve Push 0 426 l 64 ROTATER Valve Spring 0 309 l 65 STUD Valve Push Rod Adjusting 0 429 l 66 ARM Valve Rocker 0 333 67 BALL Valve Rooker Arm 0 429 68 NUT Valve Push Rod Adjusting 0 429 GM PARTS DIVISION GENERAL MOTORS CDRPORATlON CHEVROLET 1OA 9 7B Ma 0 000 GROUP