I have sourced my own throttle cable parts for a couple cars. I buy them and change them from a variety of sources.
My problem with most aftermarket throttle cables are the cable is too thin and it drags and eventually breaks. When going to a larger cable it always has a more solid feel.
Making cables and making brackets is always a job of sourcing parts but doing the work makes it worth while.
Sources can be the major vendors, surpluscenter, McMaster Carr and individual cable parts vendors.
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