MSD BLASTER SS COIL, RED -- 3.500 in. L x 2.230 in. W x 2.650 in. H, 0.355 ohms primary resistance, 4.4 K ohms secondary resistance, 48,000 V maximum voltage, 6.9 mH inductance, 300 mA peak current, 220 uS spark duration, 70:1 turns ratio, male/HEI wire attachment style, E-core style, square; Includes 3 vibration mounts and hardware, 90 degree MSD spark plug boot and 90 degree dual crimp terminal; Does not include mounting bracket, coil wire, and ballast resistor; CARB E.O. approved; Efficient winding design and assembly creates a compact housing; Improved output coil for electronic ignitions and MSD Ignitions; Primary and secondary windings are encased in Ciba polyurethane; Features DuPont Rynite housing with a tall tower and brass primary terminals.