Pertronix Flame-Thrower Coil Gm Ls Truck 4.8L,5.3L,6.0L,8.1L;Square;1999-07; Single Coil; Optimized Coil Design For 15 Percent More Spark Energy; Direct OEM Replacement 12558693/19355500
- Coils feature advanced bobbin technology with highly specialized silicone magnetic steel cores
- Optimized coil design yields at least 10-15 per cent more energy available for the spark than the most common OEM coils.
- Specialized high temperature epoxy resists shock and vibration while increasing thermal conductivity
- Coils offer a direct performance bolt on upgrade
- Limited 90 Day Warranty