09/18/2026
⚡ UNLEASH THE AMPS! ⚡
Upgrading to a high-output alternator? Don’t let undersized factory wiring restrict its performance.
The Pure Power Big 3 Wiring Upgrade Kit adds a heavy-duty current path alongside your factory wiring, helping your high-output alternator deliver the amperage your vehicle demands.
🔴 1/0 AWG Pure OFC cable
⚫ 4,700 strands of oxygen-free copper
🔴 Tinned for corrosion resistance
⚫ Soft, flexible 600V oil-resistant PVC jacket
🔴 Maintains flexibility in cold weather
⚫ BC-5W2 marine compliant
🔴 Dry rated from -40°C to 105°C
⚫ Wet rated up to 75°C
Available kit lengths:
⚡ 4.5 FT
⚡ 7 FT
⚡ 10.5 FT
⚡ 20 FT
If you’re running a 250–400 amp high-output alternator, upgrading the Big 3 wiring is an essential part of building a stronger electrical system.
📩 Send us a message to find the right kit length for your installation.
