T0 2I 1973 78 292 L6 ENGINE PART ll 1 COVER ASM Valve Rocker Arm 4 0 386 33 PIN Heat Control Valve Anchor N S 2 CAP ASM Oil Filler 1 758 34 THERMOSTAT Manifold Heat Control 3 BOLT Valve Rocker Arm Cover l 4 Valve 3 640 1 20 x l Z 0 413 35 SHAFT Exhaust Manifold Valve N S 4 REINFORCEMENT Valve Rocker Arm 36 STUD Intake Exhaust Manifold 3 275 Cover Bolt 0 413 37 BOLT Hex 3 8 16 x 1 3 S 8 900 5 GASKET Valve Flocker Arm Cover 0 423 38 CLAMP Intake Exhaust Manifold 3 273 6 CLIP Spark Control Pipe 3 675 39 GASKET E G R Valve 3 880 7 GROMMET Vent Hose Connector I 745 40 VALVE E G R Emission 3 670 8 KEV Valve Spring Cap 0 3I0 41 CLAMP E G R Valve 3 680 9 CAP Valve Spring 0 309 42 CLAMP E G R Valve Stud 3 880 10 SHIELD Valve Spring Oil 0 308 43 STUD E G R Valve 3 880 11 SPRING Valve 0 303 44 NUT Hex 3 B 24 8 915 12 HEAD ASM Cylinder 0 269 45 VALVE Exhaust 0 297 13 BOLT Engine Lifting Brkt 7 l6 I 4 x 46 VALVE Inlet 0 298 I 8 900 47 GASKET Cylinder Head 0 289 14 WASHER Lk 7 l6 8 931 48 SWITCH ASM Water Temperature 1 150 15 BRACKET Engine Lifting Rear 0 004 49 PLUG Cylinder Head Core Hole 0 034 L 16 GASKET Intake and Exhaust Manifold 3 270 50 NIPPLE Thermal By Pass Hose 8 886 17 STUD Intake and Exhaust Manifold 51 GASKET Thermostat Housing 1 252 Clamp 3 275 52 HOUSING Thermostat 1 251 18 CONNECTOR Crankcase Vant 1 745 53 BOLT Thermostat Housing 3 8 16 x 19 STUD Carburetor to Manifold 3 275 I 8 900 20 CLAMP Intake and Exhaust Manifold 3 273 54 STUD Air Cond Compressor Adj Brace 9 171 2I NUT Manifold Clamp Stud 3 8 I4 8 915 55 THERMOSTAT ASM Fladiator I 248 22 MANIFOLD Intake 3 265 56 GASKET Water Outlet I I54 23 GASKET Intake to Exhaust Manifold 3 272 57 OUTLET Water 1 l 53 24 MANIFOLD Exhaust 3 601 58 SWITCH ASM Vacuum Control 3 670 25 PLUG Exhaust Manifold N S 59 BOLT Hex 3 8 16 x 3 4 8 900 26 STUD Exhaust Manifold to Exhaust 60 BRACKET Engine Lifting Front 0 004 Pipe Flange 3 275 61 BOLT Cylinder Head 0 293 27 RING Exhaust Pipe to Manifold 3 611 62 PLUG Spark 2 270 28 WASHER Lk 3 B 8 93l 63 ROD Valve Push 0 428 29 BOLT Hex 3 8 I6 x 2 8 900 64 ROTATER Valve 0 309 30 BUSHING Manifold Heat Control 65 STUD Valve Push Rod Adiusting 0 446 Valve 3 647 86 ARM Valve Rocker 0 333 31 VALVE ASM Manifold Heat Control 67 BALL Valve Rocker Arm 0 429 Part of Manifold Asm Grp 3 60I N S 68 NUT Valve Push Flod Adjusting 0 429 32 SPRING Manifold Heat Control Valve Stop 3 641 WARE lOU lNG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION l T TflUCK 5lA 2 83 me 0 000 GROUP