Hello can someone tell me what's the size I should use on the ps pump...the one that comes from the reservoir to the pump

Was going to use for a swap. Came out of a running 85.5 identical to 86 harness. Not cut anywhere. ECU has been upgraded to remove fuel cut. Swap for 87 to raise yer boost anyone?   ECU Fuse box Relay box Injector resistor Map sensor Knock Control Box   250obo Trades? Could part out.     https://www.facebook...&type=3

4.625 ring and pinion for sale $150 shipped   Message me with email if you would like pics.   Thanks

For sale:   Braided turbo coolant lines, and, steel hard lines. Also includes an extra slip over AN style hose clamp. Looking for $50 plus shipping, I prefer paypal for payment.   http://i632.photobucket.com/albums/uu41/Dred_85-5_tsi/DSC01869_zpsfbaaa3c5.jpg