Transform your existing Fox 36 suspension fork into the ultimate trail fork. The ACS3 coil conversion kit combines small bump sensitivity, traction, and mid stroke support of a coil with the big hit performance of an air spring. By using coil springs, you can eliminate the constant maintenance required to keep your fork running optimally! Fits 2014-Current Fox 36 Includes Air Bump Stop, Spring Assembly, Lower Plunger Rod, retaining ring, travel indicator and Fox 36 2018-19 Adapter