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A high-output 220-amp alternator in the GM CS-130 case style, sold with a V-belt pulley for older small block and big block Chevy engines. It is internally regulated, case grounded and turns clockwise, so it swaps onto 1985-1993 GM V-belt setups with simple wiring. The draw is capacity: 220 amps supports electric fans, fuel injection, audio and air ride that a stock alternator cannot carry. It is a fitment-sensitive part, so buyers should match the split mount and pulley style before ordering.
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Lowest price we've seen: $205.94 on Nov 11 at Amazon. Tracked across 3 stores since Nov 11.
Owners of high-output CS-130 alternators like the charging headroom for fans, EFI and audio, and the simple one-wire-style hookup. Complaints center on units that fail early, noisy bearings and charging that only comes in above idle.
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
