Full Tilt 0 AWG Red & Black Big 3 Wiring Upgrade Kit for Car Audio

• Complete Big 3 Upgrade Kit: Includes 0 AWG red and black OFC wiring, terminals, fuse, and hardware
• Improves Electrical Efficiency: Reduces voltage drop and heat buildup for better amp and battery performance
• Smart Fuse Protection: Ensures safe, reliable power delivery and protects against overloads
• Durable Construction: Corrosion-resistant terminals and premium copper wiring built to last
• Fits Most Vehicles: Compatible with cars, trucks, and SUVs for amplifier battery upgrades

Full Tilt 0 AWG Red & Black Big 3 Wiring Upgrade Kit for Car Audio

This Listing Includes:

• (1) - 6ft 0 AWG Red Power Wire (for Battery Positive)


• (2) - 4ft 0 AWG Black Ground Wire (for Chassis Ground)


• (8) - Full Tilt Branded Heat Shrink


• (8) - 0 AWG Crimp Terminals


• (10) - Wire Clamps


• (10) - Zip Ties


• (10) - Screws

Upgrade your vehicle’s electrical system with the Full Tilt 0 AWG Big 3 Wiring Upgrade Kit—designed specifically for high-current car audio systems and amplifier battery wiring. This complete kit includes premium OFC (Oxygen-Free Copper) red and black wires, heavy-duty battery terminals, and smart fuse protection for safer, more reliable power delivery.

The Big 3 Upgrade is a critical step in optimizing your electrical system, improving alternator and battery performance by upgrading the key wiring points—battery positive, alternator positive, and chassis ground. Ideal for high-powered amplifiers, this kit reduces voltage drop, prevents wiring heat buildup, and helps your system perform at its absolute best.

Built with vehicle-specific connectors and engineered for durability, the Full Tilt kit is an easy and effective way to future-proof your car audio wiring.

Key Features:

• Premium 0 AWG Red and Black Oxygen-Free Copper wiring


• Complete Big 3 Upgrade wiring kit with all necessary terminals


• Smart fuse protection included for safety and reliability


• Designed for amplifier battery and vehicle electrical system upgrades


• Heavy-duty, corrosion-resistant battery terminals


• Improves voltage stability and alternator efficiency


• Fits most cars, trucks, and SUVs


• Includes mounting hardware and installation instructions

Specifications:

• Wire Gauge: 0 AWG


• Wire Type: Oxygen-Free Copper (OFC)


• Colors: Red (Positive), Black (Ground)


• Fuse Type: Smart Fuse Included


• Compatible With: Most car amplifier battery wiring upgrades


• Installation: Professional or experienced DIY recommended

Used For:

• Upgrading vehicle electrical system wiring (Big 3 Upgrade)


• Amplifier battery wiring improvements


• Increasing alternator and battery efficiency


• Reducing voltage drop for high-power audio systems

Package  Dimensions:

Length: 9"

Width: 10"

Height:  2.5"

Weight: 4 lbs (1.81 kg)

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

• Visa
• Mastercard
• American Express
• Discover
• Diners Club

Digital Wallets

• Amazon Pay
• Apple Pay
• Meta Pay (formerly Facebook Pay)
• Google Pay
• Shop Pay
• PayPal

International Payment Methods

• Bancontact
• iDEAL

Bank Transfers

• Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

• Klarna
• Affirm
• Sezzle
• Snap
• Acima
• Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

• Standard Shipping: Free for orders over $100.
• Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

• Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
• Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

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