High Output: This alternator produces a massive 220 amps, a significant upgrade from standard stock alternators, providing more power for your vehicle\'s electrical systems., Accessory Friendly: Ideal for vehicles with a lot of accessories and equipment, this alternator efficiently meets higher electrical demands., LS-Era Compatibility: Designed to fit most LS-era truck applications, this alternator is equipped to accept the OEM connection, perfect for many truck, van, and SUV models from 1999-2006., Important Fit Note: This GM AD244 style alternator features a 4-pin connector, therefore it is not compatible with 2-pin harnesses., Broad Engine Fit: Fits Chevy Big Block V8 Gen VII 8.1L/496ci; fits Chevy Small Block V8 Gen I 5.0L/305ci, 5.7L/350ci; fits Chevrolet Small Block V8 Gen III/IV (LS GM AD244 Black LS Alternator | High Output 220 Amp Sku # 2891024 Mfr. Part # 2891024 Condition New Brand Speedway Motors Sold Each Details
Speedway Motors 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 huge jump above stock. It is perfect for vehicles with a lot of accessories and equipment. As this is the style used in most LS-era truck applications, it is equipped to take the OEM Style: AD244
Maximum Amperage Output: 220 AmpsNormal RPM and draw: average 180 ampsVoltage Compatibility: 12 VoltsOne-Wire Capable: NoRegulator Style: InternalRegulator Included: YesPulley Included: YesPulley Style: SerpentineFinish: style alternator used in many truck, van, and SUV applications from 1999-2006Alternator has a 4-pin connector and therefore will not fit 2-pin harnessAlternators differ by application; verify style needed before orderingFits:
Chevy Big Block V8 Gen VII
8.1L / 496ci
Chevy Small Block V8 Gen I
5.0L / 305ci
5.7L / 350ci
Chevrolet Small Block V8 Gen III/IV (LS Based)
4.8L / 294ci
5.3L / 325ci
5.7L / 346ci, commonly referred to as 350
6.0L / 364ci
Duramax Diesel V8
6.6L / 403ci
GM Diesel V8
6.5L / 395ci
GM 90° V6
4.3L / 262ci
Specs One Wire Alternator No Alternator Case Style GM AD244 Alternator Amperage 220 amp Voltage Required 12-Volt Regulator Internal Alternator Finish Powder Coated Alternator Pulley Included Yes Color Black Sold in Quantity Each MFG. Part # 2891024 Pulley Style V-belt Belt Type Serpentine Reviews Big power Rated by Ls1bitches on June 18, 2026
Summary: This solved the charging issues i was having with my stock style alternators. Enough power for my 3 electric fans, holley terminator x max, 340lph fuel pump, and 3000 watts of stereo.
Yes, I recommend this product.
Is working great so far ! Rated by Gumby on December 29, 2025
Summary: I put this on my 84 GMC. The little 100 amp stock one just wasn't doin the job. Came across this one and it was great price and it's working just perfect.
Yes, I recommend this product.
Alternator Rated by Yup on October 16, 2025
Summary: Good product
Yes, I recommend this product.
Alternator black Rated by EP on October 16, 2025
Summary: i purchased this item which is similar to holleys premium alternator and half the price. Looks well built and the paint material of nice quality. Will test soon but looks awesome
Yes, I recommend this product.
Exact Part I Needed Rated by AD on September 15, 2025
Summary: I needed a higher demand alternator for my LS application and this delivered exactly what I needed to insure proper operation of all onboard electronics.
Yes, I recommend this product.
Related Items / Suggested Parts Alternator/PS Pump Bracket, LS Trucks & 220 Amp Alternator Alternator/PS Pump Bracket, Low Mount & 220 Amp Alternator Tuff Stuff 754636 36 Inch 8 Gauge Charge Wire With Boot ICT Billet WAALT40-6 LS 6in Alternator Adapter Harness 2 pin Speedway Electric Voltmeter Gauge, 2-1/16 Inch, White Speedway Electric Voltmeter Gauge, 2-1/16 Inch, Black Painless Wiring 30705 GM Alternator Pigtail, CS 130D Style Powermaster 58237 Alternator, 225 Amps, Serpentine, 12V, Chevy Powermaster 48237 Alternator, 225 Amps, Serpentine, 12V, Chevy Powermaster 58206 Street Alternator, 150A, Serpentine, 12V, Chevy 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.
