K-Series Transmission Performance Select Springs Subaru WRX (2022+) Like the ID1300x and ID1700x

Like the ID1300x and ID1700x

Improves 0-60 times and 1/4 mile times

Replacement Filter: 21-2011DK

Remark: Silicone hose water permeation rate is 10 to 15 times greater than standard EPDM rubber hose

But we knew to bring it back

K-Series Transmission Performance Select Springs Subaru WRX (2022+) Like the ID1300x and ID1700xFITS: 8th Gen Honda Civic Si 9th Gen Honda Civic Si 10th Gen Honda Accord 10th Gen Honda Type R 11th Gen Honda Type R 5th Gen Acura Integra Type S Honda officially calls these the "First 2nd Select Spring" and "Fifth Sixth Select Spring." They are the parts in your transmission that are (partially) responsible for your shifter centering itself when in neutral. By increasing the rate and preload of these springs, it's possible to realize a more