T IN LINE SIX GAS ENGINE 6 7 0 289 GASKET SET ENGINE CYLINDER HEAD OVERHAUL 8 0580A fd 83 1 14091325 292 INCL HEAD WATER OTLT RKR CVR PUSH ROD CVR MANIFOLD THERM HSG GASKETS 12 VLV STEM OIL SEALS SOA REPL 345029 0 293 BOLT ENGINE CYLINDER HEAD 8 0600A 83 13 14079539 292 1 2 13 X 3 19 32 REPL 3788417 0 666 FLYWHEEL ENGINE 8 1980A I33 1 93414855 292 INCL RING GEAR REPL 93406792 1987 GENIERAL MOTORS SERVICE PARTS OPERATIONS M SB N S reference only Added this issue 0 1 0 289 0 666 MAY BE AS REQUIRED PART REV 9 87