GM CHEVROLET rw v i 0 1 22 2 o o 20 O 5 19 a aQ 6 18 U 17 9 10 r1 1 16 a 11 r v 12 13 15 14 CYLINDER HEAD MANIFOLD 8 CYL ENGINE TYPICAL Key DESCRIPTION Group Key DESCRIPTION Group 1 Cover Valve Rocker 0 386 13 Bolt Exhaust Manifold 3 275 2 Gasket Valve Rocker Cover 0 423 14 Gasket Exhaust Manifold Valve 3 611 3 Nut Valve Rocker Arm 0 429 15 Manifold Exhaust 3 601 4 Arm Valve Rocker 0 333 16 Head Cylinder 0 269 5 Key Valve Stem 0 310 17 Bolt Cylinder Head 0 293 b Cap Valve Spring 0 309 7 Seal Valve Stem Oil 0 297 18 Rod Valve Push 0 426 8 Spring Valve 0 303 19 Shield Valve Stem Oil 0 308 9 Valve Exhaust 0 297 20 Stud Valve Rocker Arm Ball 0 429 10 Valve intake 0 296 21 Ball Valve Rocker Arm 0 429 11 Plug Spark 2 270 22 Reinforcement Valve Rocker Cover 0 413 12 Washer Exhaust Manifold Bolt 3 277