Fits 2009 and older Z/ZR120 only. WILL NOT WORK ON 2010 AND NEWER.
Want to get about 300 to 500 more RPMs out of your Arctic Cat Z/ZR 120 engine? Then try our new valve springs! They will work with stock valve retainers and keepers.
NOTE : These springs should not be used with shims or coil bind can occur.
Springs will produce less RPM gains on SNO PRO engines.
ISR & ISOC LEGAL