Easy+Affordable 355mm BBK Conversion for 6mt/TL-S

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Jun 3, 2022 | 12:40 AM
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Jun 3, 2022 | 12:45 AM
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370Z/G37 Akebonos have an ever so slightly longer bolt spacing than our TLs. You would need to bolt (preferably) the top mount, line up your pads, space the pad against the rotor (jam it if you can), make sure it's flush with the 370Z/G37 355mm rotor, then open up the bottom bolt hole on your knuckle. You can use a file or a dremel. Whatever works for you. You don't need to open it up too much. Just around 1.5-2mm. Enough for the m14x1.5 bolt to pass through and thread onto the caliper.

I suggest having the caliper ears milled off 5-6mm (originally I measured and calculated 5mm but did not take rotor thickness into account which is why Tony mentions 6mm instead). That way you are more safe to use the hub lip with worry.

You can swap your brake lines to base 5at lines and run the line directly to the caliper with a smaller 13-18mm banjo bolt (nissan/infiniti spec) or replace the hardline with a new double flare.

And that's pretty much it. 370Z/G37 Akebonos (front and rear) are really affordable on the reman market.

I also make rear BBK brackets that you can pair the 355mm Akebono conversion with. Allowing you to run the matching 370Z/G37 13.8" rear or use a 350Z/G35 12.6 brembo rear. More info for that in my other 2 piston bbk thread.
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