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Stock V6

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The stock Jeep JK 3.8L V-6 isn’t the worst engine ever put in a Jeep, but there is no replacement for displacement. With the current Chrysler/Jeep 5.7L, 6.1L and 6.4L V-8s available offering between 330 and 470 hp, stuffing one of these under the hood of your JK is a no-brainer.

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