rear diff cover?
PML or MagHytec are about the two biggest names out there. I know at one time Moe's Performance had good prices.
I'd caution against using the bottom plug to drain though, you really need to remove the cover at fluid change time to inspect the gears and magnet...
I'd caution against using the bottom plug to drain though, you really need to remove the cover at fluid change time to inspect the gears and magnet...




