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These kits fit 94-04 Mustangs.  


Big 3 kits are necessary with more amperage draw ie: upgraded fuel systems, audio systems, and/or upgraded intercooler pumps/fans. The kit includes 1/0 (zero gauge) cables that upgrade your power and grounds, they also introduce a fuse holder to the system.  Big 3 kits are always recommended when stepping up to a higher amperage alternator. 


This cable is high quality ALL COPPER made in the USA welding cable for maximum conductibility.  Beware of cheaper kits you see elsewhere on the web, they almost always use CCA wire (copper clad aluminum) which has half the amperage rating as this cable!!  



BIG 3 Wiring Upgrade Kit - 1/0 Gauge Cable - 1994-2004

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  • Each cable is built in house with quality copper lug terminals.  The ends are sealed with heatshrink for durability and resistance to corrosion.  **These kits are made to order for your specific application.  Please allow 5-7 business days for shipment.  Thank you.

  • Whenever working with your charging system it is important to insulate and keep power wires clear of any hot or moving parts.  Failure to do so could result in a fire.  While professional installation is suggested, we understand gearheads like to tackle projects themselves.  KMJ Motorsports is not responsible for damage resulting from improper installation of charging system components.  

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