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Tuff Stuff Alternator, 250 amp, 12V, External Regulator, 6 Rib Serpentine Pulley, Army Green, Jeep Wrangler JK Each
These high amp alternators provide up to 50 percent more amperage than the stock alternator, yet they retain the original equipment form factor. Add-on winches, high-power stereos, and auxiliary lights can overwhelm the OE alternator—but, that's not a problem with for Tuff Stuff Tuff Mudder Jeep Wrangler JK alternators. Available in both 175 amp and 250 amp versions Alternators feature huge copper windings, giant diodes and premium quality ball bearings that assure maximum output and extreme dependability Incorporated large internal cooling fan prevents overheating Package Dimension 9.0 L x 

Price is $389.00

Price: $388.99