
The HPFP upgrade / PTP pumps are a complete replacement pump, they use new OEM pump cores and fit their own piston & sleeve, you can also buy the piston and sleeve independently to fit to an existing core.
PTP had some issues early on when they were just doing internals, but I believe they have refined their process and are producing good reliable pumps these days.....well I hope so.

All I could find was internals, granted after typing and formatting that first post, didn't search too hard
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Here is a link for ptp internals:
PT-Performance.com

Sam - see my old topic in the Group Buy area for more info on the PTP fuel pumps, John posted there with some quite good general info which might be good to copy over your thread here.

What $$$ for the autotech
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MPSX-treme
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Hey guys just got internals installed and the car retuned... Its a little jerky under load is this the pump internals? Is it till they where in?
I got autotech ones
