| We do not have these in stock pre-assembled, but we have all the components here and can assemble them given ample lead time. This particular mod is a drop in replacement. No changes in the way it connects to the wiring or the supply & return lines. Plugs right into the harness and uses the existing FPC. We usually see fuel supply from stock TT pumps start to fall short about 650 rwhp. On the dyno we've discovered that this simple set-up provides enough fuel for at least 950 rwhp. For anything beyond that it's probably not a bad idea to start considering other more robust options including dual supply lines. The way this set up is configured, one pump is always running at 12 volts when the car is on. The other pump is variable controlled by FPC. We do recommend a higher capacity aftermarket FPR, considering the stock one can be over run resulting in too much fuel pressure. There are other more complicated mods that may arguably be better. However we've had no problems with this method. Of course the cars should be tuned afterwards to accomodate the characteristics of the fuel supply system. Not a bad choice in our opinion considering the simplicity and cost.
Russell Floyd Z1 Motorsports
www.300zx.com
1990+ Nissan Z specialists Used Parts, New parts, Service/Repair and Performance
Z1 Motorsports Exclusive Parts Line 2877 Carrollton Villa Rica Hwy
Carrollton, Ga 30116 770-838-7777
770-832-9253 (fax) 
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