They have a pump rebuild kit and some parts. Contact him and he'll send you a parts breakdown of it.
I think the tube that actually goes into the pump is bolt on, not threaded. Probably uses some kind of o-ring seal.
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black