High Output Performance: Delivers 220 amps of reliable charging power—ideal for vehicles equipped with multiple electrical accessories or high-demand systems., Modern Internal Regulation: Features an internally regulated design for consistent voltage control and reduced wiring complexity in custom or factory setups., One-Wire or Three-Wire Capable: Easily adaptable for simple one-wire installation or traditional three-wire configuration based on your vehicle’s needs., Durable and Stylish Finish: Available in polished chrome for a clean, professional engine bay appearance that complements any hot rod or muscle car build., GM-Compatible Fitment: Designed for 1985–1993 GM vehicles using CS-130 alternators; includes 2.5-inch V-belt pulley and begins charging at approximately 1,000 RPM.
GM CS-130 Style 220 Amp Alternator, V-Belt Pulley, Chrome Speedway Motors
GM CS-130 Style 220 Amp Alternator, V-Belt Pulley, Chrome
Sku # 91023130-CHR
Mfr. Part # 91023130-CHR
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
Chrome
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
Chrome
Sold in Quantity
Each
Centerline of Holes
6.625"
MFG. Part #
91023130-CHR
Notes
SHAFT DIA .672 INCH, 11/16-18 THREADED HEX NUT
Pulley Style
V-belt
Belt Type
V-Belt
Reviews

Yes, the alternator works great was just what I was looking

Rated
Product Rating
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
Product Rating
by Jr on June 25, 2025

Summary: Good price

I would buy again

Rated
Product Rating
by Greg on January 21, 2025

Summary: Great alternator at a great price

Yes, I recommend this product.

Did exactly what I needed to do

Rated
Product Rating
by Chaddy on November 19, 2024

Summary: I have a 1955 Chevy Series 1 Truck resto mode! And I was having issues with my alternator charging/reaching 14v to charge. I bought this alternator with 220 amps, and it is amazing.

Yes, I recommend this product.

I would buy again

Rated
Product Rating
by Jerry on August 29, 2024

Summary: It works Great.

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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.