0 293 S I UD N U I WASIIEI Cylinder I Iead ALL lower to crankcase and valve rocker arm A 003 O S 24 16 x 8 daub of blue paint 3767221 A R 50 ALL lower to crankcase and valve rocker arm 006 O S 24 16 x 88 daub of green paint 3767222 A R 60 ALL upper to crankcase 003 O S 24 16 x 91 daub of blue paint A 3767224 A R 55 ALL upper to crankcase 006 O S 24 16 x 91 daub of green paint 3767225 A R 65 ALL NUT attaching hex 24 839103 12 0 626 Not required in this group See group 6 170 NUT 3747794 45 ALL WASHER idler pulley and bearing brkt at taching front hole l 3779986 1 07 ALL WASHER to crankcase upper 3754153 12 5 383 0 296 VALVE Inlet ALL 6255749 6 1 35 ALL 003 O S stamped 3 6257443 6 1 70 ALL 010 O S stamped 10 3779378 6 1 70 0 297 VALVE Exhaust ALL stamped GM 2 6255750 6 1 95 ALL 003 O S stamped 3 6257445 6 2 30 ALL 010 O S stamped 10 3779380 6 2 30 0 303 SPlIING SIIIM Valve ALL exc H Per 1 free length 6256838 2 50 ALL exc H Per SHIM valve spring 6255818 12 05 ALL w H Per SHIM valve spring 3731058 12 05 0 309 CAP Valve Spring ALL exc H Per 1 O D 6256839 12 12 ALL w H Per 3729363 A R 15 0 310 KEY Valve Stem ALL 838029 24 05 0 333 ARM Valve Rocker ALL 6255648 12 65 0 386 COVER Valve Rooker Arm ALL 6255642 2 1 45 0 413 SHIELD ASSY IlEINEORCEMENT Valve Rocker Cover ALL 6257506 1 75 ALL REINF ORCEMENT 3836660 12 05 0 423 GASKET Valve Rocker Cover ALL 6255643 2 80 0 426 ROD Valve Pull ALL 6255649 12 75 8 0 293 0 426 l vr 1 Motor Division 69 convnn mars cA rA1 eo General Moten Corporation