I recently purchased a Tokico Z32 Brake Master Cylinder from Courtesy Parts. I'm installing onto my 1995 240sx w/o ABS. So, I have 2 front lines that need to be connected to the master cylinder.
The problem I have (I've learned through searching), is a common one. The mating port for the 2nd front brake line on the master cylinder is machined for a bubble (or convex) flare fitting, rather than the inverted flare that the brake line fitting mates to.
I found a 10mm x 1.0 (both sides) adapter fitting on Ebay and purchased it.
BRAKE MASTER CYLINDER ADAPTER FITTING 300ZX Z32 S13 S14: eBay Motors (item 370426280123 end time Sep-12-10 13:14:31 PDT)
Unfortunately, the female thread would not fit onto my brake line. It seems to have been manufactured very poorly, as I could not even get a tap to go into it to clean up the threads.
Does anyone know another source of these fittings? It needs to be 10mm x 1.0 on both sides and adapt a bubble flare to inverted flare. I've already done a lot of searching on the net, but they seem to be almost impossible to find. Plenty of suppliers have 10mm x 1.0 bubble flare to AN or NPT inverted flare adapters though.