Holley 197-303 Alternator for GM LS-Series, 150 Amp, 12V, 1-Wire, Aluminum Case, Black Anodized Finish

The Holley 197-303 alternator is engineered for high-performance GM LS-series engines, delivering a reliable 150 amps of electrical output at 12 volts. Featuring a durable aluminum case with a sleek black anodized finish, this alternator combines strength with corrosion resistance. Its serpentine pulley system ensures smooth power transfer and compatibility with standard serpentine belt setups in performance and custom applications. The 1-wire design simplifies installation by eliminating the need for complex wiring, making it an ideal choice for enthusiasts seeking straightforward upgrades or replacements. This alternator is suitable for a broad range of automotive projects, providing consistent electrical performance under demanding conditions.

Designed with quality and longevity in mind, the Holley 197-303 offers robust construction and efficient cooling to sustain high output over extended use. Its compact size and lightweight construction make it easy to install without adding unnecessary weight or complexity. Whether upgrading your vehicle’s charging system or building a custom engine setup, this alternator provides dependable power for your electrical components, including lights, audio systems, and other electronic accessories. Engineered to meet the demands of performance vehicles, the Holley 197-303 ensures your engine stays energized and ready for action.

Note: This product is not air restricted and can be shipped via standard freight services where applicable, ensuring broad compatibility and easy access for installation and maintenance needs.

Features:

• High output of 150 amps at 12 volts for demanding electrical systems

• Serpentine pulley system with 6-rib design for secure belt engagement

• Durable aluminum case with black anodized finish for corrosion resistance

• Simplified 1-wire installation reduces wiring complexity

• Compatible with GM LS-series engines for performance and custom builds