4 SPEED MANUAL TRANSMISSION 4 435 SPACER Reverse Idler Shift 80 81 X M20 14024949 1 1 15 SPACER REV IDLER SHF 4 437 RING Transmission Reverse Idler Gear Thrust 77 H 140 I IY1 274414 1 38 RING GEAR RETAINING Y 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS OLDSMOB LE 31 4 435 4 437 4 18 REV 7 87