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 pe
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.
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