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ok just incase people are interested, on the extreme clutch website it lists the wgnc34, r34 gtt, r34 gts and the r34 gtr as KNI25003 but on the exedy website it lists r34 gtt and r34 gts as NSK-7333 and r34 gtr as NSK-7172, they dont have a listing for the stagea. im unsure why extreme list all 4 as the same when exedy says that the r34 gtr is diffrent. i also went down to my local clutch place and they rang their supplier and have come back with the stagea is the same as the r31/32/33 gts which is NSK-7056, the prices they gave me are $368 for a standard (NSK-7056) $519 for a heavy duty (NSK-7056HD) and $775 for a heavy duty cushion button (NSK-7056HDCB).

the only thing that is bothering me is that the r13/32/33 clutch is a 240mm and the others are a 250mm. can anyone shed some light on this??

R31-R32-R33 series 1 all had push type clutch.

My RS four S has pull type clutch same as R33 series 2 or R34.

Gtr clutch would be heavy duty as torque is much higher.

It is a pull type on the RS4S.

AFAIK the R33 s2 clutch is also a push.

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