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JKS Rear Adjustable Coilover Spacers for 2018–2021 Jeep Wrangler JL provide 2–4" of ride height adjustment using threaded collars without removing suspension components. Sold in pairs, the billet-style ACOS include built-in bump stops and Dura-Thane isolators to prevent noise transfer, enabling quick tuning for added weight, tire changes, or spring settling while improving wheel travel.
JKS Manufacturing 18-21 Jeep Wrangler JL Adjustable Coilover Spacer Kit - Rear
