fits model: 351.

( Brand: Msd Ignition ), ( Manufacturer Part Number: PN-8478 ), ( Part Type: Vacuum Distributor )
The MSD Ignition PN-8478 Pro Billet Vacuum Advanced Distributor is a high-performance ignition system designed specifically for the 351 Windsor engine. This distributor is a must-have for any enthusiast looking to optimize the ignition system in their classic Ford or racing application.
The Pro Billet distributor is constructed from billet aluminum, providing a robust and durable design. It features a polished finish that not only looks great but also helps to dissipate heat, ensuring consistent performance. The distributor cap is designed with a vacuum secondary advance design, which utilizes a vacuum port to draw a vacuum during deceleration. This vacuum action advances the timing, providing better acceleration and improved power delivery.
The MSD Ignition PN-8478 Pro Billet distributor comes with an MSD 6AL ignition coil, which delivers a high energy output spark for reliable ignition. The distributor also includes an MSD 8.5mm vacuum advance unit, which provides up to 30 degrees of advance. The vacuum advance unit is adjustable, allowing you to fine-tune the ignition timing to suit your specific engine setup.
This distributor is compatible with most Ford 351 Windsor engines, including those used in Mustangs, F-150s, and other Ford vehicles. It is designed to work with both points and electronic ignition systems, making it a versatile option for a wide range of applications.
The MSD Ignition PN-8478 Pro Billet distributor also features a high-energy, double-gap, CopperPlus spark plug wire set. These wires are designed to provide a strong, consistent spark to the spark plugs, ensuring optimal combustion and maximum horsepower. The wires are also color-coded, making installation easy and straightforward.
In addition to its performance benefits, the MSD Ignition PN-8478 Pro Billet distributor also offers a classic look that is sure to please any Ford enthusiast. The billet aluminum construction and polished finish give it a high-end appearance that is sure to turn heads.
Overall, the MSD Ignition PN-8478 Pro Billet distributor is an excellent choice for anyone looking to improve the ignition system in their 351 Windsor engine. Its robust design, adjustable vacuum advance, high-performance ignition coil, and classic appearance make it a standout option for any Ford enthusiast.
The MSD Ignition PN-8478 Pro Billet Vacuum Advanced Distributor is a popular aftermarket ignition system designed for the 351 Windsor engine. This distributor offers several advantages and disadvantages that can help you decide if it's the right choice for your application.
Advantages:1. Improved Ignition Performance: The MSD distributor offers a more reliable and consistent ignition system compared to the stock distributor. It provides a stronger spark that can help improve combustion efficiency and power output.
2. Adjustable Timing: The distributor allows for adjustable timing advance, which can help optimize the ignition timing for different driving conditions and engine modifications.
3. Vacuum Secondary: The vacuum secondary design helps ensure a consistent vacuum signal to the distributor, which can help improve idle quality and stability.
4. High-Quality Construction: The billet aluminum housing and precision machined components provide a durable and stylish appearance, as well as improved heat dissipation.
Disadvantages:1. Cost: The MSD distributor is more expensive than the stock distributor. It may require a larger investment upfront, but the performance benefits may justify the cost for some enthusiasts.
2. Installation Complexity: Installing the MSD distributor may be more complex than a stock distributor due to the need for additional wiring and vacuum lines.
3. Customization: The distributor may require additional modifications or components to work with certain engine modifications, such as electronic fuel injection or nitrous oxide systems.
Conclusion:The MSD Ignition PN-8478 Pro Billet Vacuum Advanced Distributor offers several advantages for 351 Windsor engine enthusiasts, including improved ignition performance, adjustable timing, vacuum secondary design, and high-quality construction. However, it also comes with some disadvantages, such as a higher cost, installation complexity, and potential customization requirements.
Recommendation:If you're looking to improve the performance of your 351 Windsor engine and are willing to invest in a high-quality ignition system, the MSD Ignition PN-8478 Pro Billet Vacuum Advanced Distributor is a solid choice. However, if you're on a tight budget or prefer a more straightforward installation, a stock or aftermarket distributor without the advanced features may be a better option. Ultimately, the decision comes down to your individual needs, preferences, and budget.
MSD Pro Billet Vacuum Advance Distributor for 351 Windsor. Everything shown on the photos is included.Part was installed a project car that never ran as abandoned and parted out.