SKU #: BK-RAMG3-0609-1/0G-5.9-6.7DIESEL-SINGLE MPN #: RAMG3-0609-1/0G-5.9-6.7DIESEL-SINGLE

Big 7 Kits Single Battery Kit 03-09 Ram 2500/3500 5.9L/6.7L Cummins

$280.50

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Big 7 Kits Single Battery Kit for 03-09 Ram 2500 and 3500 5.9L and 6.7L Cummins

Description

Restore and upgrade the electrical performance of your Ram 5.9L / 6.7L Cummins with the Big 7 Battery Cable Kit. Designed specifically for 3rd Gen Cummins trucks with a single battery setup, this complete replacement system eliminates weak, corroded factory wiring and delivers improved starting power, charging efficiency, and overall reliability. Each kit is constructed from 100% fine-strand oxygen-free copper wire with a durable SAE-rated jacket, ensuring maximum conductivity and long-term durability. Heavy-duty terminals are secured using high-strength, gas-tight crimps and sealed with marine-grade heat shrink to protect against corrosion and harsh conditions. Whether you're fixing voltage drop issues or upgrading for added electrical demand such as lighting, winches, or performance accessories, this all-in-one Big 7 system provides a noticeable improvement in power delivery and consistency over factory cables. This kit is intended for trucks equipped with a single battery configuration. Designed as a direct-fit, vehicle-specific solution, the Big 7 Battery Cable Kit replaces aging factory wiring with a high-performance system built to outlast and outperform OEM components for single battery Cummins applications.

AVAILABLE OPTIONS:

Wire Gauge:
- 1/0 Gauge: Ideal for stock or lightly modified trucks
- 2/0 Gauge: Recommended for high electrical demand, cold climates, or future upgrades

About Big 7 Kits

Big 7 Kits is a U.S.-based manufacturer specializing in high-quality battery cable upgrade kits designed to restore and improve vehicle electrical performance. What began as a solution to common starting and voltage issues has grown into a trusted brand serving enthusiasts and vehicle owners nationwide.

Built on a foundation of durability and real-world performance, each kit is engineered using premium materials such as fine-strand oxygen-free copper wiring, heavy-duty crimps, and marine-grade heat shrink. The brand name is inspired by its comprehensive “Big 7” cable upgrade system, delivering complete, easy-to-install solutions that outperform factory components.

With roots in the enthusiast community, Big 7 Kits continues to expand its lineup across platforms including Jeep, Ford Powerstroke, and Dodge Cummins, while maintaining a focus on American craftsmanship, reliability, and practical design.