Adjustable Spacer Fits:
Mustang (1970-1973)
Mustang II w/ 8" Rear (1974-1978)
Mustang II w/ 6.75" Rear (1975-1978)
For Use with L68149/LM12749 Bearings
Inner ID: 1.38, Outer ID: 0.881
ADVANTAGES:
- Reduces Bearing Friction
- Increases Wheel Spin
- Lowers Bearing Temperature
- Reduces Hub Maintenance
- Increased Fuel Mileage