Want to get about 300 to 500 more rpms out of your Arctic Cat Z/ZR 120 engine, then try our new springs they will work with stock valve retainers and keepers. NOTES: These springs should not be used with shims or coil bind can occur.
Want to get about 300 to 500 more rpms out of your Arctic Cat Z/ZR 120 engine, then try our new springs they will work with stock valve retainers and keepers. NOTES: These springs should not be used with shims or coil bind can occur.