six bolt rotors

[sixty8chev]

I was wonderin if anybody knew what companies make 6 bolt rotors that fit on 73-87 spindles. chevy duty wasn't willing to break up their kit and i just bought a donor truck for the rest of the parts, so I just really wanted a company that would just supply the rotors,
And on a random not does anybody know if the spindles on a 78 chev van would be the same as those on a similar year pickup

thanks

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68 chev lwb
327, rv cam, edelbrock carb and intake
400t with BnM stage2 kit
It goes good but stoppins another story