Aftermarket Assassins ’22-’25 Pro R 4 Cylinder P90X Secondary Butter Shift Washers

• 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

Installation Instruction:

• Buttter Shift Washer