V8 GAS ENGINE 50 60 65 0 666 FLYWHEEL ENGINE ALSO SEE RPO L 8 1980D Con t 1 3986183 350 Incl Ring Gear E6316 Model USA Std Eff w 1976 1 1 1 381950 350 366 Incl Ring Gearow AT540 or AT475 Trans CE SE TE Models 1 3923424 366 w LPG TE Models 1 333889 366 Incl Ring Gear w MT64O or MT650 Trans CE ME Models 1 473485 427 Incl Ring Gearow Auto Trans Air Brks CE ME M deIs Eff w 1975 Rep 333884 1 3986185 427 Incl Ring Gear w Air Brakes RT613 Trans ME ModeI Eff w 1975 1 3986185 427 Incl Ring Gear W 1975 1976 1977 W Mech Trans CE ME TE Models I 462617 427 Incl Ring Gear CE ME ModeI Ef f w 1978 1 I 3986183 366 Incl Ring Gear CE ME ModeI td Eff 1976 1 1 462615 366 Incl Ring Gear W AT540 Trans CE ME TE Mc deIs Ef f w 1977 I 473485 427 Incl Ring Gear CE ME ModeIs RepI 333884 I 3986185 427 Incl Ring Gear TE Models 0 666 PLATE FLYWHEEL FLEX 8 2087D 1 364706 366 427 W MT640 or MT650 CE ME Models RepI 333886 0 669 BOLT FLYWHEEL 8 2000D 6 839756 350 6 6 839756 366 427 6 6 6 3727207 350 366 w AT540 Trans 6 340239 427 w MT640 ur MT650 Trans CE ME Models 0 669 PIN FLYWHEEL 8 2075D 1 3701679 427 0 669 RETAINER FLYWHEEL FLEX PLATE 8 2100D 2 2 462619 366 W AT540 Trans 1 333887 366 w MT640 or MT650 Trans CE ME Models 0 673 GEAR RING FLYWHEEL 8 2050D 1 460583 350 Eff w 1974 RepI 3991408 1 1 3991409 W 350 366 427 Std 1 1 1 460583 366 Eff w 1975 W AT54O or AT475 Trans CE SE TE M0de s Rep 3991408 0 677 GASKET ENGINE FLYWHEEL HOUSING 8 2030 1 5121334 4 53T FlywheeI CD ModeI Eff w 1978 0 679 EXTENSION FLYWHEEL UNDERPAN 8 2025D 1 1 3734908 350 1973 1 1 3821378 350 366 1 353027 366 427 W MT640G MT650G Trans ME Model 1 3824657 427 0 679 UNDERPAN FLYWHEEL 8 2105D 1 3714477 350 1 1 1 2441071 350 366 0 683 ADAPTER FLYWHEEL HOUSING 8 1995D 1 3821374 366 w AT475 Trans CE SE Models 1 1 3821374 350 366 0 683 HOUSING FLYWHEEL 8 2060D 1 3925507 350 CE Model 1 1 3947707 350 366 CE ME SE Models 1 1 3923424 350 366 TE Model 1 3947707 366 w AT475 Trans CE SE Models 1 1 1 3998268 350 366 w AT540 Trans CE SE TE Models 1 6268368 366 w MT650 Trans ME Model I 6258368 427 Prior to 1976 1 3998268 427 CE TE ME M0deI Eff w 1976 1 5103879 4 53T CD ModeI Eff w 1978 0 685 BOLT FLYWHEEL HOUSING 8 2010D 2 3817006 350 427 Underpan Extension WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION 78TM N S reference only Added this issue 0 39 0 666 0 685 AR PART