Replacement Base - Pro Mag Pro Cap Black

The MSD IGNITION Replacement Base – Pro Mag Pro Cap Black (Part #74563) is a precision distributor cap spacer base engineered for Pro Mag 44 ignition systems. This screw-down base replacement serves as the foundation of a reliable Pro Mag distributor cap assembly, providing secure mounting and proper electrical contact sequencing in high-performance and street rod ignition setups.

Weighing 0.6 lbs with compact dimensions of 6.4 x 3.2 x 6.5 inches, this Pro Mag Pro Cap base replacement is designed to integrate seamlessly with existing Pro Mag 44 distributor cap systems. The screw-down mounting design ensures firm, vibration-resistant installation without the need for additional fastening hardware. Precision-machined construction maintains the tight tolerances required for consistent spark timing and ignition reliability across engine load ranges. The black finish provides corrosion resistance and a finished appearance in both engine bay and visible ignition applications.

This replacement base is ideal for builders, technicians, and enthusiasts maintaining or upgrading Pro Mag 44 ignition systems. Whether restoring a vintage hot rod, servicing an existing Pro Mag installation, or building a custom ignition setup, this base component delivers the OEM-equivalent quality and fit required for dependable performance. Pro Mag systems are recognized for their points-free reliability and compact profile in applications where space constraints or traditional distributor configurations are limiting factors.

TacticalSurplusUSA stocks authentic MSD IGNITION parts and replacements for hot rod builders and ignition system technicians who demand OEM precision. Each component carries the MSD quality standard and is backed by technical expertise in ignition system assembly and maintenance.