the standard GTi-R crank shaft is forged steel.....you will not break that. As for the bearings.....once you know the thickness/grade of the bearings i know you can get nismo bearings from http://www.splparts.com/Silvia/Engine/Tomei.asp
I was told the same when I asked about uprated bearings...
I’ve just gone for new Nissan bearings now. What have others used on 400bhp+ rebuilds? Are the Nissan ones up to the job, I was under the assumption they are?
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