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810 in Head - 11/32 in Valve Stem - Stainless - Edelbrock Victor Big-Block / Victor Max Wedge - Mopar B / RB-Series - Each
Maximum increases on the dyno revealed +7 hp and +12 lb-ft at the rear wheels
17 in OD - C4-R4 Valve - Threaded Aluminum - Blue Anodized - Each
074 in ID - 2
5 in H - 1 Compartment - Lined - Aluminum / Plastic - Black / Natural - Each
MSD - Supplied with a bronze gear, band clamp, cap and rotor. 810 in Head - 11/32Designed 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