Here's the rear ratios
Rear Gear Ratio Factory Axle Code
2:73:1 Ratio 8M
3.08:1 Ratio YZ
3.27:1 Ratio 5E
3.55:1 Ratio 2K
3.73:1 Ratio 6W
4.10:1 Ratio N/A
Manual Transmissions with 7 Tooth Drive Gear
1983-1989 T-5 OEM
Pre 1993 T-5 Aftermarket
1996-1998 Cobra T-45 OEM
All Tremec Transmissions
Part Number Description
C0DZ-17271-A 2.73 Gear Ratio / Maroon 16 Speedo Gear
C0DD-17271-B 3.08 Gear Ratio / Yellow 18 Speedo Gear
C0DZ-17271-B 3.27 Gear Ratio / Pink 19 Speedo Gear
C1DZ-17271-A 3.55 Gear Ratio / Black 20 Speedo Gear
C4OZ-17271-A 3.73 Gear Ratio / Red 21 Speedo Gear
Jeep Part #j3167393 4.10 Gear Ratio / White 23 Speedo Gear
Manual Transmissions with 8 Tooth Drive Gear
1990-1995 T-5 OEM
1996-1998 T-45 OEM Except Cobra
Part Number Description
C0DD-17271-B 2.73 Gear Ratio / Yellow 18 Speedo Gear
C1DZ-17271-A 3.08 Gear Ratio / Black 20 Speedo Gear
C4OZ-17271-A 3.27 Gear Ratio / Red 21 Speedo Gear
Jeep Part #j3167393 3.55 Gear Ratio / White 23 Speedo Gear
Jeep Part #j3167393 3.73 Gear Ratio / White 23 Speedo Gear
Jeep Part #j3167393 4.10 Gear Ratio / White 23 Speedo Gear
Automatic Transmissions with 7 Tooth Drive Gear
1983-1989 Automatic Transmissions
Part Number Description
D0AZ-17271-A 2.73 Gear Ratio / Blue 16 Speedo Gear
C7AZ-17271-B 3.08 Gear Ratio / Gray 18 Speedo Gear
C7VY-17271-A 3.27 Gear Ratio / Tan 19 Speedo Gear
C8SZ-17271-B 3.55 Gear Ratio / Orange 20 Speedo Gear
D0OZ-17271-B 3.73 Gear Ratio / Purple 21 Speedo Gear
Jeep Part #j3167393 4.10 Gear Ratio / White 23 Speedo Gear
Automatic Transmissions with 8 Tooth Drive Gear
1990-1998 Automatic Transmissions
Part Number Description
C7AZ-17271-B 2.73 Gear Ratio / Gray 18 Speedo Gear
C8SZ-17271-B 3.08 Gear Ratio / Orange 20 Speedo Gear
D0OZ-17271-B 3.27 Gear Ratio / Purple 21 Speedo Gear
Jeep Part #j3167393 3.55 Gear Ratio / White 23 Speedo Gear
Jeep Part #j3167393 3.73 Gear Ratio / White 23 Speedo Gear
Jeep Part #j3167393 4.10 Gear Ratio / White 23 Speedo Gear
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Mods-MAc CAI , True Dual Flowmaster 40,3.73 ,T-Lok, 25% UDP, 3/8 Phenolic Intake Spacer ,Steeda Tri-ax, SCT Chip/Dyno Tune
Last edited by Herbstang; 05-08-2008 at 01:18 PM..
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