REAR SUSPENSION. AXLE HOUSING.
#1
2 wheel drive. 2500 & 3500 W/11. 5 axle W/O dual rear wheels. 3. 42 ratio. 3. 73 ratio. 4. 10 ratio. W/ANTI-SPIN. W/O anti-spin.
2 WHEEL DRIVE. 2500 & 3500 W/11.5 AXLE W/O DUAL REAR WHEELS. 3.42 ratio. w/anti-spin. w/o anti-spin.