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R33 GTR Brembo Bolts

CMR

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Had a search and can find a few threads about the above subject, but no definite answers.

I know there are a few people on here running GTR Calipers, what are the bolt sizes did you use for the front? I don't want to have to get the standard bolts machined, would rather buy new in the correct size.

I've read on various forums people saying its both M12 x 1.75 x 40mm and M12 x 1.50 x 40mm. Can anyone definitely confirm?

Cheers
 

drifter

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When I had R33GTR fronts I used the bolts that came with the callipers when they were on the Skyline. I can't see why you need different bolts. If they were R34/Z33 then they are bigger so you have to either drill out the hubs or helicoil the caliper :)
 

CMR

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It's the shank on the GTR bolts that is longer than the shank on the S15 ones.

They are definitely R33 GTR calipers and M12, its the pitch/thread size I could do with confirming as all I can think of otherwise is getting the Skyline bolts shank's threaded which I'd rather not do.
 

drifter

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Still don't see why it's different tbh. S14 and S15 use the same hubs so if it worked on my S14 it should work on your S15 :confused:
 
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I got 33 gtr calipers on mine and it didn't come with the bolts.

I just got some high tensile bolts from a fastener specialist near me, job done.
 
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