AA 2022-Up Pro-R 4 Cylinder P90X Secondary Butter Shift Washers | 108-1067

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 See instructions HERE Part number: 108-1067