It is a 12V alternator with a negative ground, This alternator has a stock looking GM 10SI case, Comes with a V groove pulley and has an internal regulator, It puts out 140 amps of current and is a simple 1 wire hookup, Features a low idle cut-in internal regulator and provides plenty of charging at low RPMs. Tuff Stuff 7127K 1 Wire Alternator, 140 AMP, V Groove Pulley. All Tuff Stuff alternators are hand built in Cleveland, Ohio and are tested to meet or exceed OEM specifications. Many enthusiasts prefer our clean, simple 1-wire alternator option which features a low idle cut-in internal regulator and provides plenty of charging at low RPMs. Available in chrome plated, polished aluminum, powder coated and plain as cast finishes.
All alternators are for 12 volt, negative ground systems, except where noted. By William DeBerry on October 14, 2021. Great doing business whit them.
Yes, I recommend this product. So far so good got it quick and it fit. By Bill on August 18, 2021.
By Duke on July 17, 2021. Been working flawlessly for several months on my C3 vette. By Warren on August 04, 2020.
I now trust my charging system. Awesome upgrade from 63amps to 140 amps. By Brad on November 04, 2019. Tuff Stuff got my business because they're an American company and their stuff is top quality. Please take advantage of the "add to cart" button on each listing to get everything in your cart prior to completing checkout.Speedway Motors is America's Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 71 years. Repack the item in a sturdy box, include a copy of your invoice and complete the form on the back of the invoice. Speedway accepts full responsibility for the accuracy of our listings and product representation. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Starters, Alternators, ECUs & Wiring\Alternators & Generators". The seller is "speedway_motors" and is located in this country: US.
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