Kartboy Shifter and Bearing Kit Subaru WRX 2015-2021 | KB-20-WRX Vehicle Model_Fiesta Three different size jets

Three different size jets

It does a great job at this but if boost is available under the MBC setting it will give you that full boost

What this means for you and your installer is less time fitting guides to the head due to holding the tightest tolerances in the industry with the best quality control possible

84+ Toyota Corolla

Kartboy Shifter and Bearing Kit Subaru WRX 2015-2021 | KB-20-WRX Vehicle Model_Fiesta Three different size jetsPart #: KB 20 WRX Kartboy is one of the few companies that can take greatness, and give it an extra side of maple syrup. So good. For you WRX owners, they have released their Cable Shift Arm Kit. Also included is a KB 003 B bearing and KB 003 LOC cable shifter lock. This kit is counterweighted to give a short, solid feel. And the shifter throws will be reduced by 38%. Works with both the OEM, and STI shifters.