According to this thread, the original for this frame would have been 1 1/8 threaded steerer/ headset
The ebay Rockhopper above would almost certainly be 1 inch steerer tube and headset.
I needed Direct Drive forks for a Stumpjumper and they were as rare as hen's teeth for any, never mind a specific colour and year model. I ended up buying a tired Rockhopper just for the forks and respraying.
These might work albeit a lower spec than for a Stumpjumper:
Find many great new & used options and get the best deals for Specialized Hardrock Chromo Hardtail Forks 1.1/8 th Threaded 160mm Retro MTB at the best online prices at eBay! Free delivery for many products.
www.ebay.co.uk