Royal Purple 75w90 Synthetic Gear Oil
1964 to 1973 Mustang
- Gift Ideas & Accessories
- Aftermarket Seats
- Audio
- Billet Accessories
- Body Parts And Sheet Metal
- Body Shells
- Books/Literature/CD ROM
- Brakes
- Bumper
- Convertible Parts
- Cooling
- Cougar Only
- Decals
- Differential
- Door, Engine and Axle Tags
- Door Parts
- Driveshafts, U joints, and Related Parts
- Electrical
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- Engine
- Exhaust
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- Glass and Frames
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- Lock Parts
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- Sound and Heat Insulation
- Steering / Suspension
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- Superchargers and Accessories
- Tires
- Transmission And Clutch
- Trunk Area Parts
- Turbochargers
- Wheels And Related Parts
- Windshield Washer and Wiper Parts
A great upgrade to any differential, Royal Purple gear oil is fully synthetic and helps bring down operating temperatures. Works with any posi, limited slip or locking differential. The friction additive is built into the fluid.