4 Gauge Wire Ferrules Kit for Car Audio,4 AWG Insulated Wire Ferrule Connectors (EN25-16),Cable Ferrule Terminal Connectors Crimp Red Black Blue Yellow Green Wire Furrels 100PCS,lkelyonewy: Amazon.com: Industrial & Scientific
Spartan Power 4 AWG 1 Foot Battery Cable Set Four Gauge Wire Made in America 1 FT with 3/8" Ring Terminals - Walmart.com
4 Gauge (4 AWG) Extreme Battery Cable with Ends - Copper Extra Flexible Stranded
WindyNation 4-Gauge 5/16 in. Pure Copper Cable Lugs (10-Pack) CF-4G-56-10PC - The Home Depot