This was on my 914-6 conversion when I bought it. I don't know if it'll work with stock 914-6 heater boxes. It came out where the engine mates to the tranny and used an early LONG 911 soft oil line. It worked perfectly, I just converted everything to stock 914-6 parts.
$65 shipped in the lower ConUS, I'll even toss in the larger fitting that screws into the block.
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Here's how it routed, pretty slick as he used 993 heater boxes. It'd probably work fine with headers, don't know about 914-6 heater boxes though.
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