I used a High Flow Motorsport pump. Only thing is I had to remove and rotate the cover for hose clearances/inteference with firewall. Make sure you can turn you crankshaft manually as the cam (on crank for fuel pump) has to be at the lowest point, real hard otherwise to install new pump. If you still have a stud bolt in the upper position leave it there, just loosen nut a few turns as it is easier to re-install new pump. Also not a bad idea to install an inline clear fuel filter upstream while you are there. Good luck
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