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High Output Performance: Delivers a powerful 220-amp electrical output—ideal for vehicles with additional accessories, lighting, or high-demand electrical systems., Internally Regulated Design: Simplifies installation and provides consistent voltage control without the need for external regulators., One-Wire or Three-Wire Capable: Offers flexible wiring options for an easy, clean setup that integrates seamlessly into custom, street, or muscle car applications., GM CS130 Style Compatibility: Commonly used in GM vehicles from 1985–1993, making it a reliable upgrade or replacement for many classic and performance builds., Durable Black Finish: Features a sleek black housing that resists surface wear while providing a professional, finished appearance under the hood. GM CS-130 Style 220 Amp Alternator, V-Belt Pulley, Black Sku # 91023130-BLK Mfr. Part # 91023130-BLK Condition New Brand Speedway Motors Sold Each Details
These alternators are a great addition to your engine, whether it’s for the great look or the reliable, high-amperage output. This alternator produces 220 amps, which is a significant jump above stock. It is perfect for vehicles with a lot of accessories and equipment and is perfect for hot rod or muscle car applications. It can be wired with a one-wire or three-wire set-up.
- 220 amp output alternator,Internally regulated, with v-belt pulley
- One-wire capable for easy wiring into your project
- Commonly used in GM vehicles from 1985-1993
- Available in Black or Chrome finish
Specs One Wire Alternator Yes Alternator Case Style GM CS130 Alternator Amperage 220 amp Voltage Required 12-Volt Regulator Internal Alternator Finish Powder Coated Alternator Pulley Included Yes Alternator Pulley Grooves 1 V-groove Pulley Diameter 2.5" Alternator Brackets Included No Outside Diameter 5" Overall Length 5.75" Color Black Sold in Quantity Each Centerline of Holes 6.625" MFG. Part # 91023130-BLK Notes SHAFT DIA .672 INCH, 11/16-18 THREADED HEX NUT Pulley Style V-belt Belt Type V-Belt Reviews Works great. Rated by Jeff S on June 30, 2026
Summary: Easy install, it does what it says, 14.5 volts above 1000 rpms. Have about 500 miles on it, so far so good. Best price for 220 amps.
Yes, I recommend this product.
I would recommend buying this item. Rated by Dave on June 22, 2026
Summary: This item shipped very quickly and packed safely. The alternator was clean and very easy to connect. Alternator was a one wire. I installed it on a 71 Pontiac Lemans with 455, EFI, Two electric fans and stereo. This is more amperage than before.
Yes, I recommend this product.
I would purchase from speedway again Rated by Pedro soltero on May 19, 2026
Summary: Awesome product
Yes, I recommend this product.
Yes, the alternator works great was just what I was looking Rated by Jr. on September 16, 2025
Summary: I needed more output from the alternator when my car was idling or driving in town due to the large demand from the stereo and air conditioning. This alternator works great at low speed.
Yes, I recommend this product.
I like this product Rated by Jr on June 25, 2025
Summary: Good price
Related Items / Suggested Parts Tuff Stuff 754636 36 Inch 8 Gauge Charge Wire With Boot Tech Support We\'re here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through Messaging and a knowledgeable Speedway Motors team member will be happy to help. About 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 74 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
