P24 1977 PONTIAC AXLE IDENTIFICATION CODES A G SERIES ASSEMBLY CODES 2 41 RATIO 2 56 RATIO RING LTD RING RING LTD RING STD GEAR SLIP GEAR STD GEAR SLIP GEAR AA 8 1 2 CA 8 1 2 AB 8 1 2 CB 8 1 2 AL 8 1 2 CL 8 1 2 ZD 8 875 ZU 8 875 AJ 8 1 2 CJ 8 1 2 2 73 RATIO RING LTD RING STD GEAR SLIP GEAR AX 8 1 2 CX 8 1 2 ZE 8 875 ZW 8 875 AS 81 2 3 08 RATIO 3 23 RATIO RING LTD RING RING LTD RING STD GEAR SLIP GEAR STD GEAR SLIP GEAR AU 8 1 2 CU 8 1 2 AT 8 1 2 CT 8 1 I2 AK 8 1 2 AR 8 1 2 CR 8 1 2 ZK 8 875 ZZ 8 875 B SERIES ASSEMBLY CODES 2 41 RATIO 2 56 RATIO RING LTD RING RING LTD RING STD GEAR SLIP GEAR STD GEAR SLIP GEAR G 1 1 7 1 2 N R 8 1 2 YD 8 87 5 YU 8 87 5 LA 8 1 2 NR 8 1 2 KK 8 1 2 KR 8 1 2 KJ 8 1 2 KS 8 1 2 MN 8 1 2 MZ 8 1 2 2 73 RATIO RING LTD RING STD GEAR SLIP GEAR LX 8 1 2 NX 8 1 2 YE 8 875 YW 8 875 3 08 RATIO 3 23 RATIO RING LTD RING RING LTD RING STD GEAR SLIP GEAR STD GEAR SLIP GEAR YJ 8 1 2 YY 8 875 LT 8 1 2 NT 8 1 2 MP 8 1 2 MY 8 1 2 YK 8 875 YZ 8 875 MO 8 1 2 MX 8 1 2 F SERIES ASSEMBLY CODES 2 41 RATIO 2 56 RATIO RING LTD RING RING LTD RING STD GEAR SLIP GEAR STD GEAR SLIP GEAR PJ 8 1 2 PS 8 1 2 PH 8 1 2 PT 8 1 2 1 3 08 RATIO 3 23 RATIO RING LTD RING RING LTD RING STD GEAR SLIP GEAR STD GEAR SLIP GEAR PC 8 1 2 PW 8 1 2 PD 8 1 2 PX 8 1 2 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS PONTIAO 21 42