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🔥 Tru Spec 1/0 AWG BIG 3 UPGRADE KIT — TRUE 99.9% OFC COPPER — SAE CERTIFIED — MADE IN USA — 105°C JACKET 🔥
Upgrade your vehicle’s electrical foundation with the Tru Spec 1/0 AWG Big 3 Kit, built from TRUE 99.9% OFC copper, manufactured in the USA, and engineered to full SAE‑certified automotive standards.No CCA. No inflated strand counts. No oversized insulation hiding tiny conductors.Just real copper, real performance, and real results — at a budget‑friendly price.
Perfect for improving voltage stability, reducing dimming, and giving your amplifier the clean power it needs.
MADE IN THE USA — REAL COPPER, REAL QUALITY
Tru Spec wire is proudly USA‑made, ensuring:
• Verified copper purity• Accurate AWG sizing• Reliable quality control• Durable, high‑temperature insulation• No imported shortcuts or mystery‑metal blends
This is the best value in true OFC copper Big 3 kits on the market.
⚡ WHAT THE BIG 3 UPGRADE IMPROVES
• Charging system efficiency• Voltage stability under load• Amplifier performance & output• Reduction of headlight dimming• Overall electrical reliability• Lower resistance = less heat, more efficiency
A must‑have upgrade for any aftermarket audio system.
💯 TRUE 1/0 AWG — 99.9% OFC COPPER
Every cable in this kit uses 99.9% Oxygen‑Free Copper, delivering:
• Maximum current flow• Ultra‑low resistance• Strong performance under heavy load• Better efficiency than CCA or mixed‑metal imports
This is real 1/0 AWG copper, not oversized insulation hiding undersized conductors.
⚡ PERFORMANCE RATING — 350 AMPS @ 25 FEET
Tru Spec 1/0 OFC is engineered for real‑world current demands and is rated at 350 amps at 25 feet, making it ideal for:
• High‑output alternators• Big 3 upgrades• Large amplifier systems• Battery‑to‑chassis and engine‑to‑chassis grounding
🔧 WHAT’S INCLUDED — TRU SPEC BIG 3 KIT
• 1× 4 ft 1/0 AWG Red Power Cable • 2× 4 ft 1/0 AWG Black Ground Cables • 6× 1/0 AWG Pure Copper Lugs (3/8\" hole) • 6× GP Tru Spec Heat Shrink (Red & Black)
Professional‑Grade Terminations
Each cable is pre‑crimped on one end using our 22‑ton hydraulic crimper with pure copper lugs and heat‑shrunk for durability and corrosion resistance.
🔥 PREMIUM CONSTRUCTION — BUILT TO REAL STANDARDSConductor Design
• Rope‑lay, bunch‑stranded 30 AWG SAE copper • 975 strands of 30‑gauge copper• High‑strand count for flexibility and conductivity• Meets minimum copper weight per foot for true 1/0 AWG
Insulation & Jacket
• Wrapped paper separator• Low‑smoke, halogen‑free EPDM jacket• Resistant to:– Abrasion– Battery acid– Diesel fuel– Engine coolant– Engine oil– Ethanol– Gasoline– Power‑steering fluid– Transmission fluid– Extreme temperatures– Flame
Dimensions
• Insulation thickness: 0.080\" (2.03 mm) • Outside diameter: 0.533\" (13.54 mm)
Temperature Range
• –50°C (–58°F) to +105°C (221°F) Flexible in extreme cold — stable in high‑heat engine bays.
🏆 INDUSTRY APPROVALS & COMPLIANCE
• SAE J1127 Compliant • UL 2556 • UL 558 & UL 583 (battery cable requirements)• UL 4127 (60 V DC / 25 V AC)• REACH Compliant • RoHS Compliant • CMRT Compliant • Prop 65 Compliant
This is OEM‑grade, industrial‑rated cable, not hobby‑grade import wire.
💪 THE BEST VALUE IN TRUE OFC BIG 3 KITS
If you want a budget‑friendly Big 3 upgrade that still delivers real copper, real performance, and real standards, the Tru Spec Big 3 Kit is the perfect choice.
True spec. True copper. True performance.USA‑made — without the BS.
