Well we can rule out the blade pickups (Black Hawk and Impulse) because they aren't available in slanted 8-string.
You have to discuss the 10 degree slanted baseplate with BKP before ordering, that's an extra 10 pounds per pickup but I think it is available for most of the conventional pickups.
Black Dog seems to be recommended a lot for this kind of application because tight bottom end, solid mids, etc