Spark Plug Wire Retainer; Pro Cap;
To go with the huge power of the Pro Mag 44, MSD developed a huge cap and rotor, the pro-cap! The top of the pro-cap is crowned with a screw-down retainer to keep all of the plug wires firmly attached to each terminal.
  • Wires Stay Firmly In Place
  • Each Retainer Fits Tightly
  • Fits Over Distributor Boots

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We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

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*Available on select products.