Hey guys i'v been looking for a suitable spring to handle rpm's up to atleast 8500rpm, Any suggestions and previous experiences with this could help me.

Thanx

The standard choice for our race
1200 that revs to 8500 was
holden red motor competion
double springs that have an easy 120lb
seat pressure, but we are playing
with harley davidson doubles at the
moment, so far so good

Will i get those at a dealership ? and they fit no problem? :D

i would assume you will have to source
them from Australia from a speed shop
or through a cylinder head reconditioner

The harley Spring, from a bike I assume, and if so what model and engine ?

That i would have to get back to you
about, it was my headman's idea
i'll let you know

Thanx oke, how high do you rev and on what setup?

normally no more than 8500 but sometimes it happens our engines run mostly
datsun parts except arp rod bolts and those with money use forged pistons

haha what cam spec you running on the track, i'm building mine for street use... hehe but it seems i'm going all out.

I would have to find my cam card to
give you acurate specs but it would
be too big for street use, we are wide
open throttle most of the time