disk brake proportioning valve

new reproduction disc brake proportioning valve. removed the welded in stud meant for B/E bodies, removed secondary block for my application but will include (In picture) Bought for my drum to disc brake conversion, but does not fit my '76 duster (apparently things changed after '74). $45+shipping or trade for good working '76-89 A/B/F/M/J/R non wagon/HD proportioning valve.

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