K-Series Transmission Performance Select Springs Subaru WRX (2022+) 4-percent less restrictive than stock

4-percent less restrictive than stock

The performance and durability of the calipers/rotors have been well proven under the most extreme race conditions

000 psi and are able to easily handle the tremendous acceleration shock loads (shear) and lateral forces (elongation) found in racing

Replacement Filter: 21-2011DK

But we knew to bring it back

K-Series Transmission Performance Select Springs Subaru WRX (2022+) 4-percent less restrictive than stockFITS: 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