http://rdvalvespring.com/spring_specs.html
These guys come highly recommended from a number of engine tuners/ builders/racers
GH. VALVE SPRING replacement source
Moderators: Site Director, FZR Forum Moderators
-
- 5000+ Posts
- Posts: 5853
- Joined: Fri May 09, 2008 8:46 am
- Location: west london UK