Wheel Seals / Bearings Races etc for the Stock KH Disc Hubs

Yes, the pistons are the "sliding/moving" part that ride against the seal. They need to be smooth. Rock Auto may have some, I ordered some a while back.

cudamark said

As long as the seal slot is good, pits in the housing are no big deal with KH brakes. It's the pistons you have to inspect for pits.

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