fits model: 390, 428, 427. make: Ford.

The 390 Pulley 8509C Set is an essential upgrade for Ford single 428 and 427 engines. This pulley set is meticulously designed to enhance your engine's performance and efficiency.
The set includes two pulleys, each featuring a robust construction made from high-quality materials. The grooves on these pulleys are precisely engineered to perfectly fit the 390 engine, ensuring a secure and snug fit. The grooves are also designed to minimize vibrations and noise, providing a smoother operation and a more pleasant driving experience.
The 390 Pulley 8509C Set is designed to work with the Ford single 428 and 427 engines, specifically the 1966-1973 Ford Mustang, 1965-1970 Ford Fairlane, 1965-1970 Ford Galaxie, and other compatible Ford models. The set is easy to install, requiring no specialized tools or mechanical expertise.
The pulleys in this set are designed to work with a serpentine belt, providing a more efficient power transfer system. This can lead to improved engine performance, better fuel efficiency, and longer belt life.
In summary, the 390 Pulley 8509C Set is a must-have upgrade for any Ford single 428 or 427 engine. Its robust construction, precise fit, and smooth operation make it an excellent choice for enthusiasts and everyday drivers alike. Upgrade your engine today and experience the difference that the 390 Pulley 8509C Set can make.
Pros of buying a 390 Pulley 8509C set for Ford Single 428/427:1. Improves engine performance: The pulley set can help increase horsepower and torque by reducing the load on the accessory drive belts, allowing the engine to run more efficiently.
2. Easy installation: The pulley set typically comes with clear instructions and all necessary hardware, making it easy for DIY enthusiasts to install.
3. Durable materials: The pulley set is made of high-quality materials such as cast aluminum, which can withstand the heat and stress of high-performance engines.
4. Cost-effective: Compared to other performance upgrades, the pulley set is a relatively affordable option for improving engine performance.
Cons of buying a 390 Pulley 8509C set for Ford Single 428/427:1. Potential for noise: Some users have reported that the pulley set can create a loud whine or squeal when engaged, which may be annoying for some drivers.
2. May require adjustments to the accessory drive belts: Installation of the pulley set may require adjusting the tension on the accessory drive belts to ensure proper operation.
3. May not provide significant performance gains for some applications: Depending on the specific engine and driving conditions, the pulley set may not provide significant performance gains, making it a less effective upgrade in some cases.
Conclusion:The 390 Pulley 8509C set for Ford Single 428/427 can be a cost-effective way to improve engine performance, but it's important to consider the potential cons such as noise and the need for belt adjustments. If you are looking for a simple and affordable upgrade to your Ford engine, the pulley set may be a good option. However, if you're looking for significant performance gains, you may want to consider other upgrades such as camshafts or intake manifolds. Ultimately, the decision to purchase the pulley set should be based on your specific needs and expectations.
Originally meant to be mounted on my friends A/C cobra replica years ago,he decided to go a different direction.
50 shipping by USPS parcel select anywhere in the continental us. Buyer to pay 7. The alternator pulley shows a diameter of about inches and looks like it was the only one of the three to have been mounted since being chromed.