Amazon.com: Spartan Power Battery Cable 2 Foot 4 Gauge AWG Wire Set 5/16" M8 : Automotive
Gold Plated 4 Gauge Spade Terminal - Red - Merchandise
100 Pcs High Temperature Non-Insulated 4 Gauge AWG 3/8" Stud Wire Ring Terminal | eBay
Spartan Power 4 AWG 10 Foot Battery Cable Set Four Gauge Wire Made in America 10 FT with 3/8" Ring Terminals - Walmart.com
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
SELTERM 4 AWG 3/8" Ring X - Wide Battery Cable End Terminal Lugs Bare Copper 2ea - Walmart.com
Gardner Bender 8 Awg Ring Red (5-Count) in the Terminal Wire Connectors department at Lowes.com