Just glad to be of some help! I just got a Walbro 255lph pump myself but it is a differant number again... I was told it is their newest one soo maybe the info hasn't made it onto the internet yet... Anyway, your's matches up with the 255 #'s I did find so you are good to go.
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92GT all the free stuff and a few bolt-ons, lowered with Ebiach's and Koni's, Kenny Brown subframe connectors, lower G-brace and jacking rails. BBK upper and lower control arms, polyurethane bushings all around and Ken Bell blower, ram-air, 80mm mass air, etc.