# MSD 7423 - Rotor,Replacement,Pro Cap,Fit PN 7455 Mag

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.

Key Features:

-   Pro-Cap Rotor

-   Replacement For PN\[7455\] Mag

The MSD team has a strong core of excellent engineers, technicians, assembly specialists who design, develop and manufacture a wide variety of products, including Ignition Controls, Coils, Timing Accessories and Spark Plug Wires and Accessories. All MSD products feature the finest ignition components anyone can install on their vehicle and are geared towards all auto enthusiasts!

### Vehicle Fitment

| Year | Make | Model | Position | Fitment Precision | Note |
| --- | --- | --- | --- | --- | --- |
| All | All | All |     |     |     |

### FAQ

**What part number is this?**  
The listed part number is 7423.

**Should I confirm product specifications before ordering?**  
Yes. Compare the original product specifications and application details with the supplied information.

### Common Searches

-   MSD Ignition 7423
-   7423 specifications
-   MSD Ignition MSD 7423 - Rotor,Replacement,Pro Cap,Fit PN 7455 Mag
-   7423 automotive replacement

## Details

- **Price:** 206.26 CAD
- **Vendor:** MSD Ignition
- **Type:** MSD 7423 - Rotor,Replacement,Pro Cap,Fit PN 7455 Mag
- **Tags:** 7423, Automotive Performance, Fit PN 7455 Mag, MSD 7423 - Rotor, MSD Ignition, Pro Cap, Replacement

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 206.26 CAD | In stock |

## Images

- MSD 7423 - Rotor,Replacement,Pro Cap,Fit PN 7455 Mag

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/msd-ignition-7423-msd-7423-rotor-replacement-pro-cap-fit-pn-7455-mag)
> Updated: 2026-11-01