Shop 2018 Jeep Wrangler JK Unlimited Sport vehicles in Alpine, NJ for sale at Cars.com. Research, compare, and save listings, or contact sellers directly from 4 2018 Wrangler JK Unlimited models in ...

If you've ever been disappointed by the horsepower figures coming from your Jeep Wrangler JK, whether it has the 3.8-liter or the 3.6-liter V-6, and you've considered an LS swap, you're not alone.

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