**Although the Royal Purple gear oil contains friction modifier, we highly recommend including the Ford Racing friction modifier along with the gear oil when refilling your rear end.**
Due to Hazmat regulations, lubricants/fluids cannot be shipped to APO/FPO addresses.
Ford Performance Racing Parts Wheel Warranty FRPP uses the Society of Automotive Engineers (SAE) and American Society for Testing and Materials (ASTM) Standars: SAE J175 and J328 for impact and fatigue testing and ASTM B368 for chrom testing. These standards define a series of tests that ensure the safety and finish o... more
Posted on 4/24/2015
Installing a new set of rear end gears in your 1979 to current Mustang is one of the best ”bang for the buck” performance mods you can do. This is especially true of SN95 and Fox Body Mustangs that came with gear ratios below 3.55. Besides forced induction or nitrous kits, there aren’t many mods that will give you noti... more
Posted on 12/9/2013
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