Aftermarket Assassins P90X Secondary Butter Shift Washers for 2022-Up Pro-R 4 Cylinder Defender Max XT HD10 2021 just has a slightly

2021 just has a slightly different helix design) Kits include: AA Recoil magnetic adjustable clutch weights

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

If you are running 2 cube lights or 2 light bars you will want the 2 lead option

knowing that your trailing arms are fully protected against damage

Aftermarket Assassins P90X Secondary Butter Shift Washers for 2022-Up Pro-R 4 Cylinder Defender Max XT HD10 2021 just has a slightlyAftermarket 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