MSD 6428 6CT Pro Ignition Control Box, Circle Track

Based on the superior design of the MSD 6CT, the 6CT PRO adds another offering to MSD's line of technologically advanced ignitions for circle track racing. Packed with legendary MSD Ignition power, the 6CT PRO offers a slew of features. A large digital LED display makes it easier than ever to see the rev limiter setting when dialing it in using the laser etched rotary dials on the face of the unit. The rotary dials are also used to set cylinder select for 4, 6, and 8 cylinder engines, and to adjust the built-in start retard providing options of 0?, 10? or 20? of timing reta