The JKS 3.5" box kit for 2018–2021 Jeep Wrangler JL supplies a packaged lift solution for JL applications needing a 3.5" rise. The kit consolidates parts required for that lift height and supports increased tire clearance and suspension travel. It’s aimed at JL owners seeking a coordinated set of components to improve off-road capability and fitment for larger tires.
JKS Manufacturing 18-21 Jeep Wrangler JL 3.5in Box Kit