‘71 340 Duster Front Drum to Disk with Factory 14” Rallye Wheels - Problems

413 said

You confirmed 14x6 so those are definitely aftermarket wheels.

Factory SBP rally wheels were only made in 14x5.5"

doesn't matter what your broadcast sheet says, the wheels on your car are aftermarket.

how or why would a vendor swap his now used and ground on brakes for something else.

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I don’t know that Cass will, and I totally understand if he won’t.

But as I pointed out already, there’s only 1 kit that Cass sells that will fit 15’s, and it’s the stage 2 kit. Which mean the OP would keep his “ground on” calipers, and only the mounted but unused rotors and caliper brackets would need to be exchanged. Cass might not because they’ve been installed, which I would totally understand. But those parts are still just installed new, so, worth an ask IMO.

And if not I’m sure someone here might be willing to buy them.