Coil Wire - Blk 48in HEI/Socket

The Coil Wire - Blk 48in HEI/Socket from QUICKCAR RACING PRODUCTS is a precision ignition lead designed for high-performance and racing applications where reliable spark delivery is non-negotiable. Built for HEI (High Energy Ignition) and socket-style distributor connections, this 48-inch coil wire serves as the critical link between your ignition coil and distributor cap in carbureted and EFI racing platforms. Whether you're building a street rod, bracket racer, or vintage muscle car restoration, a quality coil wire eliminates voltage loss and RF interference that can degrade engine timing and combustion efficiency.

This coil wire features a spiral-core construction with an 11.5 mm diameter and protective sleeving to shield against electromagnetic interference and engine bay heat. The spiral-core design reduces inductive reactance compared to solid-core alternatives, allowing faster voltage rise and more consistent spark plug firing across engine rpm ranges. The black sleeved jacket resists oil, fuel, and UV degradation while maintaining flexibility for tight engine compartment routing. At 48 inches in length, this wire accommodates both compact and mid-size engine bays typical of street rods, early Chevrolets, and vintage Ford applications, though custom routing may be required depending on your specific ignition setup and coil placement.

Mechanics and engine builders rely on QUICKCAR Racing Products coil wire when upgrading or rebuilding HEI distributor systems on carburetor and electronic fuel-injected engines. This wire is essential when installing a new HEI distributor, converting from points ignition, or replacing worn OEM leads that cause misfires and hard starts. The socket-style connection ensures a secure, low-resistance fit with OEM and aftermarket coil towers. Proper coil wire installation—routed away from spark plug wires and fuel lines—maximizes ignition stability and prevents cross-firing in high-RPM, high-load conditions common in drag racing and road course environments.