Pro Mag 12Lt Generator, Short, Black Supplied With A Bronze Gear, Band Clamp, Cap And Rotor MSD IgnitionDesigned with Sprint cars in mind, the Pro Mag 12LT is almost 30% lighter than the original Pro Mag, but still produces the same incredible power. The compact housing sits an inch lower for improved clearance of the fuel injection, and it features a band clamp mount for easier timing adjustments. MSD has also designed a cap and rotor specifically for the 12LT series. The cap is injection molded from DuPont Rynite material, which possesses high