| but it can use higher grade bearings...That's why my crankshaft uses GRADE 5 bearings...I had to wait like 2-3 months to get those bearings throught Coz, because they were not available by that time since those CS's were pretty new when I bought mine. Might not be Nismo as some sponsors advertize on their sites, but you could say it's an improved OEM CS.
'90 Blue Nissan 300ZX Twin Turbo '91 White Nissan 300ZX Twin Turbo '93 Blue Mazda RX-7 R1 Twin Turbo (15K original miles!) 
VIDEO OF MY BLUE Z (Right click and Save As...)
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