MSD Replacement Cap and Rotor for Pro Mag - 4" Cap - Black GP230320 please see CARB EO# D-550-22

please see CARB EO# D-550-22 for details

Maximum Pressure

1985-1986 Chevrolet K10

U-BOLT 1/2"-20 X 3" X 9"

MSD Replacement Cap and Rotor for Pro Mag - 4" Cap - Black GP230320 please see CARB EO# D-550-22Inside the cap there are thick vanes to help agitate the air to prevent the chance of crossfire. Stainless terminals are used for resistance to corrosion caused by ozone in the cap. The rotor is also molded out of Rynite and features a brass stainless steel rotor tip plus has a lock screw for secure mounting to the Mag's shaft. This replacement cap and rotor is injection molded from DuPont Rynite material for high voltage isolation characteristics