Viral 1970-1972 Gmc Jimmy 5.7l 12si 250-320amp High Output Alternator Top Reviewed [zxTfXb7i]

High-Output Alternator for 1970-1972 GMC Jimmy 5.7L

Elevate your 1970-1972 GMC Jimmy 5.7L with this premium high-output alternator. Designed for direct fitment, this alternator seamlessly replaces your stock unit, ensuring optimal performance and reliability. With its superior 250-320amp output, it guarantees a robust power supply for your vehicle's electrical systems, enhancing your driving experience.

Key Features and Specifications

This high-output alternator boasts a 14.8 Volt GM Style Internal Regulator, ensuring consistent voltage output and reliable charging. It features a single wire connection for easy installation, though it's not plug-and-play and requires wiring. The included smaller pulley design allows for faster rotation, maximizing the alternator's output. For a perfect fit, you may need to install a 1/2" - 1" shorter belt, which can be easily sourced using the guidance provided in our blog article.

Practical Benefits and Usage

This alternator is not just a replacement part; it's an upgrade that promises enhanced performance and efficiency. With its high-output capabilities, it ensures that your vehicle's electrical components, including lights, wipers, and heating, operate smoothly without overloading the system. To fully leverage this alternator's potential, it is recommended to upgrade your wiring with the Big 3 Wiring Upgrade Kit, featuring 1/0 100% copper wires. This kit is available at a 10% discount when purchased with a JS Alternator, making it an ideal choice for your vehicle's electrical system needs.