Aftermarket Assassins P90X Secondary Butter Shift Washers for 2022-Up Pro-R 4 Cylinder Defender Max XT HD10 Uses Factory Bushings

Uses Factory Bushings

No soldering

Other customers on car wheel dynos have reported 215-220 RWHP

eliminating the need for frequent removal during vehicle maintenance

Aftermarket Assassins P90X Secondary Butter Shift Washers for 2022-Up Pro-R 4 Cylinder Defender Max XT HD10 Uses Factory BushingsAftermarket Assassins P90X Secondary Butter Shift Washers 2022 Up Pro R 4 Cylinder Fits only 2022 Up Pro R 4 Cylinder Models These will NOT fit the regular Turbo & Ranger P90X models 2 washers stacked in the helix allow for less spring bind and smoother shifting Less harmonic noise from the spring Increases spring rate by 10 15lbs peak on average, this can help eliminate slipping if more spring tension was needed