Originally Posted By Supercuda
modern wheel cylinder design doesn't require RPV's.

But if you need some

https://www.speedwaymotors.com/shop/residual-valves~8-39207


Any idea what year the cutoff between need an RPV and you don't?
I replaced the wheel cylinders about 6 years ago, they seemed to be the same as the cylinders that were on there. But in all fairness, I wasn't looking at the old parts with any kind of details inside.