Brembo caliper bolts - Alfa Romeo Forum
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(Post Link) post #1 of 7 Old 12-02-12 Thread Starter
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Brembo caliper bolts

Before anyone tells me to search... coudn't find anything

If someone can help me so I don't have to remove everything from the car as it's snowing outside
What is the correct bolt size for the 166 calipers? I know they are 13mm, but don't know about the thread...
Same goes for standard GTV calipers. They are 12mm, but the thread size is?

A friend is currently making some brackets for me. So he needs the sizes.

And one more thing. As I will be using 305mm discs, I need to offset the calipers for 2,5mm to line up the pads, right? This is the basic bracket design I will be using: http://forum.alfa145.com/index.php?a...e=post&id=9921
So, are the measurements correct for the 305 disc? I know that a few people used this design... so just wanted to be sure.

Many thanks!
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I suppose I'll have to measure it myself
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Dealers or a bolt specialist. The 166 brembo uses a fine tapered thread. I think bolt size is M14. Been a while since I had a set.

The gtv/gta brembo uses standard 1.5mm M12 bolts.
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(Post Link) post #4 of 7 Old 19-02-12 Thread Starter
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I have checked ePer for the 166 calipers. It lists only one type of bolt. So it looks like the standard (non-Brembo) calipers have the same bolts as the Brembos... I'm pretty sure they are M13.
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I've had both callipers. The GTA/GTV brembo bolt is M12 1.5. The 166 is bigger then M13.
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M13 is not for sure. but tomorrow i will tell you exactly the size. im going to measure it today.
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The 166 brembo bolt is a taper thread, so bare that in mind when ordering.
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