Get peak performance from your Jeep Wrangler YJ 4.2L (258) from 1987*-1990 with v-belt or 2.5L (150) from 1983 with the Mean Green High Output Alternator. Its heat-resistant integrated regulator keeps power output consistent even under extreme temperatures. Precision tool steel rotor shaft and heavy-duty solid copper stator windings are sealed for maximum durability.
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