Quote:
Originally Posted by milkcow500
Vortech offers a bearing/seal replacements at an additional cost when you do the SI upgrade. Correct, 928 has the high speed bearings.
I believe Z1 is continuing the 9 lb pulley, but I think they are upping the price.
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I've been trying to find out what pulley Z1 is using for the upgrade so I will know if my kit is compatible. I asked them "is the 9psi pulley they have the same as the Stillen or is it different?" there answer was "yes". Now I am 50% confident it is compatible........... 
The Z1 price is currently at $155 which is less than the Stillen and more than the Vortech.
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RJM pedal, Hotchkis Sway Bars, FI TDX, FOG Light, Z1 Slotted Drilled rotors, Stillen SC, Quaife ATB, Z1 Oil cooler, AEM Gauge Set, Galeforce gauge mount, Avant Garde M590 Hypersilver w/RE-11, TopgunZ A2A kit., ECUtek tuned by Seb: ROLL TIDE!
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