Hybrid Racing Heavy Duty Transmission Detent Springs | Honda Civic Type R | FK2/FK8 2.0T K20C1 | 2015+Heavy duty transmission detent springs offer an increase in the preload and stiffer spring rate over the factory parts which aids the transmission gear selector. Upgrading these springs will make your gear engagements a bit sharper since they replace the soft OEM ones. For the last year, we have been testing these springs in our own Civic Type R which sees constant abuse on the street and race track. When these are installed in the Civic Type R,