Hopefully this would help someone down the track. FRONT PIN CLIPS CROSS SPRING- 41218-12U26 (same as R34 GTR, G35, Z33)
FRONT REBUILD KIT- 41120-12U25 -(same as R34 GTR, G35, Z33)
REAR PIN CLIPS CROSS SPRING -44218-12U26 - (same as R34 GTR, G35, Z33)
REAR REBUILD KIT- 44120-12U25 -(same as R34 GTR, G35, Z33)
FRONT R33 GTR CALIPER BOLT SPEC (DIFFERENT TO R34):
M12X1.75 30MM 8.8 TENSIL
REAR CALIPER BOLT SPEC:
M10 1.5MM 30MM 8.8 TENSIL
Brought the stuff from Z1 motorsport in the states.