they got Onevias, when crap engines, KA24s, was cheaper for nissan....

u'll have heaps of fun with the KPS13,

make sure you've got a 4.1 or 4.3 LSd rear, hks 2530, and all those other bolt ons, , and coil overs and lots of camber on the rear and u'll be sliding around with that thing a hell of a lot..., and doing mid 13s , they are very tail happy with some power...

here is my s13 page

http://www.cardomain.com/id/brianlawson