SKU: QRP57-540
UPC: 819616012686
MPN: 57-540
The Power Rings 2 Gauge 5/16in Hole battery terminals from QuickCar Racing Products are precision-engineered copper lugs designed for high-performance automotive electrical systems. These terminals serve as the critical interface between battery cables and starter, alternator, and ground connections in racing and street vehicles where reliability under extreme conditions is non-negotiable. Whether you're building a competition engine harness, upgrading factory wiring, or restoring a classic muscle car, quality battery terminals directly impact starter draw, charging efficiency, and overall electrical system integrity.
These 2 gauge terminal lugs feature tin-plated copper construction, which provides superior conductivity and corrosion resistance compared to bare or nickel-plated alternatives. The 5/16 inch eyelet accommodates standard battery post diameters found on most automotive batteries, while the 2 gauge wire capacity (approximately 95 amps continuous) handles the high-amperage demands of modern starter motors, performance alternators, and auxiliary power distribution. Heat shrink tubing is included with each pair, offering insulation and environmental sealing to prevent oxidation and moisture intrusion—critical factors in marine, off-road, and high-vibration applications where terminal failure can cause catastrophic starting problems.
Mechanics and engine builders rely on QuickCar Racing Products battery terminals for chassis wiring harnesses, battery relocation projects, and custom electrical configurations where OEM terminals fall short. The compact 3.5 x 0.55 x 4.5 inch footprint allows easy routing in tight engine bays, while the tin-plated copper resists galling and ensures a secure, repeatable crimp every time. Installation requires a proper crimper and wire stripper; solder-free compression connections guarantee a gas-tight joint that won't degrade under thermal cycling or high-current transients found in drag racing, street performance, and off-road duty.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.