SKU: QRP57-520-20
UPC: 810165041622
MPN: 57-520-20
The Ring Terminal 5/16in 4 Ga w/Heat Shrink 20pk by QUICKCAR RACING PRODUCTS is the professional-grade electrical connector solution for high-performance automotive builds, drag racing applications, and custom electrical system upgrades. These heavy-duty ring terminals are engineered for builders and mechanics who demand reliability in critical power distribution circuits where loose connections mean catastrophic failure. The 20-pack quantity ensures you have spares for multiple vehicles, harnesses, or future system modifications without repeat orders.
Constructed from tin-plated copper, these ring terminals deliver superior conductivity and corrosion resistance essential for maintaining low electrical resistance under high-amperage loads—critical in race car battery banks, welding rigs, and custom power distribution. The 4-gauge wire specification accommodates heavy-duty applications up to several hundred amps, while the 5/16-inch eyelet perfectly matches standard battery posts and stud-mounted electrical components. Heat shrink tubing is pre-installed on each terminal, eliminating the need for separate sleeving and providing immediate environmental protection against moisture, oxidation, and accidental short circuits during installation and long-term operation.
Motorsports enthusiasts, street machine builders, and professional mechanics rely on this terminal kit for battery upgrades, alternator rewiring, custom ground distribution, and fuel pump or cooling fan circuits where stock wiring cannot handle increased electrical demand. Installation requires only proper crimping with a quality crimper tool—the heat shrink ensures a sealed connection resistant to vibration-induced loosening common in performance vehicles. Whether you're building a competition drag car, converting to auxiliary battery systems, or upgrading ground points in a restomod, these QUICKCAR terminals meet the demands of serious automotive fabrication.
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