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Have an 870C project and need kingpins. Are they the same size across the models? any suitable out there that are readily available? I was looking around for a screw/bushing setup as a replacement since it seems that tends to be more common.

I think all the models that used the metal steering knuckles would use the same king pins. Pretty sure Im using them on the 93 94 models too, but there might be a different part number for absolute correctness. Seems like the plastic c hubs on the long arm models is thicker and might require a slightly longer king pin. However,, Im using the 870c type on those long arm cars no problems.

A good common retro fit is kyosho ot-4. They look almost exact, and fit exactly perfect.

I bought a set of re re optima knuckles with the updated screw and sleeve type king pins. They dont fit anything. The sleeve is fatter than the 1 pc king pins.

awesome. thanks dude, that gives me good info.

from searching those parts down, they are anywhere from 10 to 40 bucks for them. I'll probably end up making my own bushings, hah.

I wonder if these would fit? Theres a crap ton of cheap king pins on ebay,, but no idea which ones would fit!

http://www.ebay.com/itm/Kyosho-FA021-King-Pin-Set-Rage-VE-EP-FAZER-/381813487575?hash=item58e5db77d7:g:CvsAAOSwZJBYABYa