Of course it is twelve volts and our fuel system runs at 40-45psi.Let us know what kind of pump you come up with.Heard of guys getting pumps from Summit.
Swamp'Dale has one from Summit I think it was only 80 bucks and it sprays like a fountain he says. Lots of PSI though the regulator is what gets it to the injectors.
the p/n is 2225, it is a MSD pump, looks very simular to the stock pump , but is way much better. We have been using these pumps for quite a while now and have experienced no fuel related problems. I highly recommend them. It does require some changing of line sizes (to 5/16) and the way the lines hook up, but is by far the best replacement we have found. It solves the problem of stalling/cutting out on landing from jumps. This pump is capable of 125 psi. and 43 gallons an hour, so tight connections are a must.