Replacement Pro Mag Cap & Wire Retainer (Fits Pro Mag P/N MSD8130 MSD8140 MSD8150 MSD8160)
Product Information
Racing produces high winds and severe vibrations which can actually "whip" a plug wire causing it to fall off. With an MSD Wire Retainer this is impossible! These Retainers will securely hold the Pro Mag cap in place while locking the spark plug wires to the terminals.

Product Information
Racing produces high winds and severe vibrations which can actually "whip" a plug wire causing it to fall off. With an MSD Wire Retainer this is impossible! These Retainers will securely hold the Pro Mag cap in place while locking the spark plug wires to the terminals.