🔥 GP Car Audio BIG 3 UPGRADE KIT BLUE & BLACK — TRUE 1/0 OFHC COPPER — SAE CERTIFIED — MAXIMUM ELECTRICAL PERFORMANCE 🔥

Unlock the full potential of your charging system with the GP Car Audio Big 3 Upgrade Kit, built exclusively with TRUE 1/0 AWG Ultra Pure OFHC Copper — the same USA‑made, SAE‑certified cable used in our NO BS wire line. No CCA. No inflated specs. No shortcuts. Just real copper, real performance, and real results.

If you’re running aftermarket audio, high‑output alternators, or upgraded batteries, the Big 3 is the foundation your system needs to perform the way it should.

⚡ What the Big 3 Upgrade Improves

• Charging system efficiency • Voltage stability under heavy load • Amplifier performance & output • Reduction of headlight dimming • Overall electrical reliability • Lower resistance = less heat, more efficiency

This upgrade is essential for any serious audio system.

💯 TRUE 1/0 AWG OFHC Copper — SAE J378C / J1127 Certified

Every cable in this kit is built from 99.99% OFHC (Oxygen Free High Conductivity) pure copper, delivering:

• Maximum current flow • Ultra‑low resistance • Excellent flexibility • Consistent performance under load

This is real spec 1/0 AWG, not oversized insulation hiding tiny imported strands.

SAE J378C / J1127 Certification Ensures:

• Verified copper purity • Correct conductor size & strand count • High‑temperature insulation durability • Resistance to abrasion, chemicals, and vibration • Safe performance in under‑hood and marine environments

This is OEM‑grade power cable, not hobby‑grade import wire.

🔧 Standard Kit Includes (4 ft Each)

• 4 ft — Alternator to Battery (Power) – Crimped on one end

• 4 ft — Engine Block to Chassis (Ground) – Crimped on one end

• 4 ft — Battery Negative to Chassis (Ground) – Crimped on one end

Plus:

• 3× high‑quality copper lugs • Heat shrink for the remaining ends

Everything needed for a clean, reliable, high‑performance install.

đź”’ Key Features

• TRUE 1/0 AWG OFHC copper — no CCA • SAE J378C / J1127 certified cable • Ultra‑flexible jacket for easy routing • High strand count for maximum conductivity • Crimped ends for fast installation • Includes lugs + heat shrink • Ideal for stock, upgraded, and high‑output alternators • Perfect for daily drivers, show builds, and competition systems

đź’Ş Built for Installers Who Want REAL Performance

If you’re tired of weak factory wiring holding your system back, the GP Big 3 Upgrade Kit delivers the power, stability, and reliability your build deserves.

No BS. No inflated specs. Just real copper, real standards, and real results — the GP way.