Distributor Cap Crab Cap Design
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MSD IGNITIONPART NUMBER: 121-85413

Distributor Cap Crab Cap Design

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MSD Distributor Caps
Distributor Cap
  • Crab Cap Design
  • Black

    Applications:

     

    • MSD distributor caps and rotors are designed with performance in mind and molded from high-quality, voltage-insulating material with terminals that resist carbon tracking. Whenever the distributor cap is changed, you should install a new rotor. Likewise, if you're replacing the rotor, be sure to install a new cap as well. MSD has new kits featuring Rynite injection molded distributor caps and retainers to complete your distributor tune-up. MSD also has Cap-A-Dapts to fit large Ford-style caps onto MSD distributors.
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      Keep your ignition system running at peak performance with MSD Distributor Caps and Rotors, engineered for long-lasting reliability and superior spark delivery. Whether you're performing routine maintenance or upgrading your ignition components, these high-quality parts are designed to meet the demands of street and strip applications alike.

      Each MSD distributor cap and rotor is built with performance in mind, using high-dielectric strength materials that resist carbon tracking and ensure accurate spark distribution. The brass terminals provide better conductivity and longer life compared to standard aluminum terminals, helping to deliver consistent ignition timing and improved throttle response.

      Designed to be a direct-fit replacement for MSD distributors, the MSD distributor cap ensures a secure connection and excellent durability under high-heat, high-vibration engine bay conditions. Whether you're tackling tough driving conditions or logging laps at the track, you can count on these components to perform when it matters most.

      The MSD rotor is equally robust, constructed from top-grade materials to handle the high voltage output of performance ignition systems. It delivers precise spark transfer to the cap terminals, supporting high-RPM operation and clean combustion with every cycle.

      For street cars, muscle cars, and race vehicles alike, MSD Distributor Caps and Rotors are the smart choice for drivers who demand dependability, performance, and easy installation. Upgrade with MSD to maintain your ignition system’s edge and keep your engine firing on all cylinders.

    Part TypeDistributor Cap
    Product LineMSD Distributor Caps and Rotors
    BrandMSD IGNITION
    Package Height3.0
    Package Width6.25
    Package Length6.5
    Weight0.7 PG
    Part CategoryPerformance Parts
    Part FitmentSemi Universal
    Vendor Part Number85413
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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