LS Coil D581

The LS Coil D581 by Allstar Performance is a precision ignition coil engineered for LS-series engine swaps and high-performance builds. Whether you're installing an LS engine into a classic platform or upgrading a modern LS platform, this coil delivers the reliable spark energy required for consistent ignition across all RPM ranges. LS engine swaps have become the gold standard for affordable, powerful engine conversions, and the ignition system is critical to achieving full potential and streetable reliability.

The LS Coil D581 is designed to handle the demands of modern LS architecture, providing strong secondary voltage output and fast saturation for precise timing control. Allstar Performance engineered this coil to work seamlessly with LS ignition systems, which utilize individual coil-on-plug designs that eliminate traditional distributor limitations. The compact form factor at 4.4 x 2.4 x 4.75 inches and lightweight construction at 0.71 lbs makes installation straightforward, whether you're running stock LS valve covers or custom fabricated heads-up arrangements. This coil tolerates heat cycling typical of engine bay environments and delivers consistent performance across fuel quality variations and altitude changes.

Builders running carbureted LS conversions, fuel-injected retrofits, or naturally aspirated to supercharged platforms all benefit from the D581's reliable ignition characteristics. Installation requires no special tuning or proprietary diagnostic equipment—the coil integrates directly into standard LS harness configurations. For restomod enthusiasts converting everything from C2 Corvettes to muscle cars, and street machine builders seeking bulletproof ignition, the LS Coil D581 eliminates guesswork and provides the spark energy necessary for responsive throttle feel, clean idle quality, and peak horsepower delivery across the power band.