Dave (from the Faze 7 Trick Team) ran early Haro freestyler forks on his PK Ripper, but they bent pretty quickly. I remember going over to Bristol to the importers for Haro & SE (Shiners) to get my quad replaced, and they refused to exchange his forks for new ones. They said something about them not being covered for doing tricks !
He ended up fitting GT Performer forks, because they were effectively a Bottema fork, and never had any more problems.
We got sponsored by Haro in '85, and ran the original sport frame & fork. Never had anything bend or crack on them though. I still ride my Sport now and they are as true as they were BITD.
What kind of riding were you thinking of putting them through ? I'd expect them to be fine for most stuff.