2000-2006 Suburban/Tahoe/Yukon/Silverado/Sierra Big 3 upgrade kit

The Big 3 upgrade kit is engineered to enhance your vehicle's charging system and electrical capacity. Designed for 2000-2006 Chevrolet and GMC trucks, this kit increases available power for aftermarket audio systems, lighting, winches, and other high-demand components. Built with premium materials for durability and reliability, the kit features 1/0 marine-grade tinned oxygen-free copper cable, tinned copper lugs, and adhesive-lined heat shrink tubing to resist corrosion in all conditions. A 250-amp mega fuse provides circuit protection for your electrical components.

Available in standard, dual alternator, and dual battery configurations. 

Contact us for custom bundles or specific application requirements.

Backed by lifetime warranty.