MSD - Supplied with a bronze gear, band clamp, cap and rotor. 25 in ID - 6

25 in ID - 6 in Length - 325 lb/in Spring Rate - Blue Powder Coat - Each

00-inch internals and a built-in tuned resonance chamber to minimize interior drone

25 in Length - 108 lb/in Spring Rate - Steel - Blue Powder Coat - Each

Shock - Street Performance - Twintube - Steel - Silver Paint - Rear - Various Applications - Each

MSD - Supplied with a bronze gear, band clamp, cap and rotor. 25 in ID - 6Designed 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