Upgrade your vehicle's charging system with this GM CS130-Style 220 Amp Alternator engineered to deliver exceptional charging performance for vehicles with increased electrical demands. Designed for Small Block Chevy, Big Block Chevy, street rod, muscle car, classic truck, restoration, and custom build applications, this high-output alternator provides the charging capacity needed to support modern electrical accessories and performance upgrades.

The 220 amp output provides significantly more charging capacity than many factory alternators and helps support dual electric cooling fans, electric fuel pumps, fuel injection conversions, upgraded ignition systems, aftermarket lighting, air conditioning systems, audio equipment, electric water pumps, air ride systems, and other high-demand electrical accessories. Increased charging capacity helps maintain stable system voltage during idle, cruising, and stop-and-go driving conditions while reducing voltage drops under heavy electrical loads.

Compatible with many Small Block Chevy and Big Block Chevy engine combinations including 283, 305, 307, 327, 350, 383, 400, 396, 402, 427, and 454 applications, this alternator is a popular charging system upgrade for Chevrolet Camaro, Chevelle, Nova, El Camino, Corvette, C10, C20, K10, and K20 builds. It is also commonly used in street rods, hot rods, restoration projects, and custom engine swap applications requiring increased charging performance.

Built with a GM CS130-style case, this alternator features an internal voltage regulator and one-wire capable operation for simplified installation. The one-wire design helps reduce wiring complexity while maintaining dependable charging system performance, making it a popular choice for custom vehicles, muscle cars, and restoration projects where clean wiring and reliability are important.

Equipped with a V-belt pulley and finished in bright chrome, this alternator combines show-quality appearance with dependable charging capability. Whether you're replacing a factory alternator, upgrading a classic Chevy charging system, supporting EFI and electric fan conversions, or adding modern accessories to your vehicle, this 220 amp alternator delivers the charging performance, reliability, and electrical capacity needed for today's demanding applications.

220 Amp Charging Performance
The 220 amp output provides the charging capacity needed for dual electric cooling fans, electric fuel pumps, fuel injection systems, aftermarket ignition systems, lighting upgrades, audio equipment, air ride systems, electric water pumps, and other high-demand electrical accessories. High-output charging helps maintain stable voltage under increased electrical loads.

GM CS130 Style Design
Built using a GM CS130-style case with an internal voltage regulator and one-wire capable operation. This design is commonly used on street rods, muscle cars, classic trucks, restoration projects, and custom vehicle builds requiring increased charging capacity.

COMPATIBLE WITH:
CHEVROLET BIG BLOCK V8 GEN. II (MARK IV)
• 7.4 L / 454 in3

CHEVROLET BIG BLOCK V8 GEN. V
• 7.4 L / 454 in3

CHEVROLET SMALL BLOCK V8 GEN. I
• 5.0 L / 305 in3
• 5.7 L / 350 in3

GM DIESEL V8
• 6.2 L / 379 in3
• 6.5 L / 395 in3

GM INLINE 4
• 2.5 L / 151 in3

GM INLINE 6
• 4.8 L / 292 in3

GM V6
• 2.8 L / 173 in3
• 3.0 L / 181 in3

OLDSMOBILE V8
• 5.0 L / 307 in3
Commonly used in GM vehicles from 1985-1993.

COMMON VEHICLE APPLICATIONS:
1986-1996 GM cars and light trucks; Chevrolet Camaro; Chevrolet Corvette; Chevrolet C/K Series; Chevrolet Caprice; GMC C/K Series; Buick, Oldsmobile, Pontiac, and Cadillac applications using compatible CS130 mounting, clocking, pulley, and wiring.

NOTES:
Verify CS130 case style, connector, mounting ear spacing, clocking, pulley alignment, and belt type before ordering.

SPECIFICATIONS:
AC Service Tap: No
Amperage Rating: 220 A
Brushless: No
Case Circumference: 15.710 in.
Case Color: Silver
Case Material: Aluminum
Distance Between Mounting Feet: 6.610 in.
External Fan Included: Yes
External Regulator Included: No
Family: CS130
Fan Type: External
Finish: Chrome
Ground Type: Case ground
Mounting Configuration Code: 15
Mounting Type: Split Mount
One Wire Capable: Yes
Outside Pulley Diameter: 2.610 in.
Plug Clock Rear View Main Mounting Ear at 6 O Clock: 12 o'clock
Plug Type: 4-pin
Pulley Belt Type: V-belt
Pulley Groove Quantity: 1
Pulley Included: Yes
Regulator Type: Internal
Rotation Direction: Clockwise
Split Mounting Foot Overall Inner Spacing: 6.610 in.
Split Mounting Foot Overall Outside Spacing: 7.610 in.
Terminal Quantity: 5
Voltage: 12 VDC