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Nitro's Trac-Lock provides the ultimate in traction for Ford 8"& 9" differentials. This is not like the old factory units that had a tendency to crack the case. Nitro's Trac-Lock uses a billet & forged case for strength you can depend on. Great all around torque-bias ensure this unit will suit your needs for Hot Rods, Muscle cars, Vintage show car and even 4x4s.
This product can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to: www.P65Warnings.ca.gov