Too expensive. I think ZZP's base stroker kit is well over a grand. I would have your motor rebuilt but depending on your goals like chico said, now is the time if you're wanting to build a race motor, while you've got it out and apart.
Here's the link...
http://www.zzperformance.com/grand_prix/products1.php?id=230&catid=109 It costs $1450.00