Ford (1989-up) with Sterling #12-10.25 or 10.5 single rear wheel differential
Engineered cover design keeps oil on the gears
Deflects oil back onto the ring gear and into the pinion gear for cooler longer life
Extra capacity sump located at bottom for gears to pick up oil
Internal and external cooling fins
Stainless steel allen head cap bolts, fill plug
Magnetic drain plug
Gasketless cover has integral re-usable Viton O-Ring
Rear Differential Cover BD's design deflects the oil back onto the ring gear and into the pinion gear for cooler longer life. Other differential covers are large and bulky resulting in lubricating oil being flung off the ring gear causing addition heat and/or wear.
This product does not require an EO in California. By nature of its design, it is legal for sale and use in all 50 states. Replacement parts included. (EMS:4)