Street Fire HEI Internal Coil

The Street Fire HEI Internal Coil from MSD Ignition is an essential upgrade for enthusiasts working on classic or modified engines equipped with an HEI distributor system. This coil is designed for those restoring vintage muscle cars or tuning street machines, providing reliable spark output for consistent combustion and power delivery.

Engineered with a high-saturation iron core and durable winding construction, the Street Fire coil generates strong secondary voltage even under high RPM and load conditions. Its internal design integrates seamlessly within existing HEI cap and rotor setups, eliminating the need for external coil rewiring or bracket fabrication.

This compact coil fits standard HEI housings without modification, making it a practical choice for mechanics and engine builders. It is compatible with both classic and modern engines that utilize HEI distributors, ensuring improved reliability and throttle response for performance tuning.