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Proform Alternators

Proform alternators are available for countless vehicles, from the 1950s thru the 1990s. These replacements come assembled and ready to bolt on. They're available in a variety of styles, finishes, amperage outputs, and other options. Select the model recommended for your application.

4.54 out of 5 stars ( 285 )

$122.99

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$233.95

Proform Lightning-Bolt Alternators

It took a technological breakthrough to develop an alternator that's nearly 40 percent lighter than a 10SI that kicks out as many amps! The physics-defying Lightning Bolt design from Proform generates 80+ amps at idle and over 100 amps at the top end—all from a 7 lb., 98mm stator size alternator. These units are light enough for the drag strip, but put out the kind of amps that are needed on the street. On top of that, the Lightning-Bolt has its own unique aluminum housing that certainly will spin a head or two. Whether it's fashion or function you're after, the Lightning Bolt delivers both. These are 12 volt, one-wire hookup alternators. A V-belt style pulley is included, and various serpentine pulleys are sold separately. Lightning-Bolt alternators use the same standard universal mounting configuration as 93mm mini alternators. (NOTE: Model 66437 includes a billet aluminum adapter kit that allows the alternator to fit a standard 10SI mount—6.61 in. center-on-center.)

5.0 out of 5 stars ( 2 )

$252.95

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$267.95

Proform Slant Edge Alternators

Revolutionize your ride's under-the-hood look with a Proform Slant Edge alternator. A fusion of aesthetic style and performance, these show-stopping alternators are officially licensed Chevrolet Performance Parts products available in a palette of awesome finishes with raised and machined or recessed and hand painted Bowties. However, Slant Edge alternators are not just a treat for the eyes, but also a testament to unparalleled craftmanship. Assembled with 100 percent new components and tested at the factory, they feature an internal regulator, fan, single V-groove pulley, and easy 1-wire hook-up. Additional features, such as a high-output and low-idle drag, ensure that your vehicle will always have the electrical power it needs to run smoothly. Distinctive and diverse, Proform Slant Edge alternators go beyond mere utility; they add flair to function, so your ride can stand out from the rest. Select the alternator in the finish you prefer under your hood.

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$264.95

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$319.95

Proform Alternator Spacers

Move your alternator out for correct pulley alignment with these alternator spacers from Proform. They're a universal, cut-to size type to ensure proper belt and pulley alignment.

4.0 out of 5 stars ( 9 )

$12.99