fits model: 351, Mustang, Bronco. make: Ford. year: 1975–1979.

( Brand: Ford Mercury ), ( Manufacturer Part Number: D5ZZ-9B289-E ), ( Part Type: Valve ), ( Placement On Vehicle: Front )
Introducing the D5ZZ-9B289 and D5ZE-EA Smog Bypass Diverter Valves, specifically designed for the 1975 to 1978 Mustang 2.3L and 1979 Bronco 351 engines. These high-quality, nitrous-compatible parts are the perfect solution for those looking to improve the performance of their classic Ford or Mercury vehicles while still complying with emissions regulations.
The D5ZZ-9B289 and D5ZE-EA Smog Bypass Diverter Valves are manufactured to exacting specifications, ensuring a perfect fit and seamless integration into your vehicle's exhaust system. These valves feature a durable, corrosion-resistant construction, made from high-grade materials that can withstand the rigors of high-performance use.
The D5ZZ-9B289 and D5ZE-EA valves are designed to bypass the emissions control system during high-load conditions, such as when the engine is under heavy acceleration. This allows for improved engine performance, increased horsepower, and better throttle response. However, the valves automatically return to the closed position when the engine load decreases, ensuring that emissions are still controlled when the vehicle is at cruising speed or when idling.
The D5ZZ-9B289 and D5ZE-EA Smog Bypass Diverter Valves are easy to install, requiring minimal modification to the exhaust system. They can be installed by anyone with basic mechanical skills and a few basic tools. The valves also come with clear, easy-to-follow instructions to ensure a hassle-free installation.
In addition to their performance benefits, the D5ZZ-9B289 and D5ZE-EA Smog Bypass Diverter Valves are also an excellent choice for those looking to upgrade their exhaust system. They are compatible with a wide range of exhaust systems, including aftermarket systems, and can be used in conjunction with other performance upgrades, such as high-flow catalytic converters and exhaust headers.
In summary, the D5ZZ-9B289 and D5ZE-EA Smog Bypass Diverter Valves are an excellent choice for anyone looking to improve the performance of their 1975 to 1978 Mustang 2.3L or 1979 Bronco 351 engine while still complying with emissions regulations. These high-quality, nitrous-compatible parts are easy to install and can be used in conjunction with other performance upgrades to further improve engine performance. Order your D5ZZ-9B289 or D5ZE-EA Smog Bypass Diverter Valve today and start experiencing the difference in your vehicle's performance.
Pros of buying a 1975-1978 Mustang or 1979 Bronco with a NOs smog bypass diverter valve (D5ZZ-9B289 or D5ZE-EA) include:1. Improved performance: The smog bypass diverter valve allows the engine to run richer, which can increase horsepower and torque.
2. Easy installation: The diverter valve is relatively simple to install and does not require any major modifications to the engine or exhaust system.
3. Compatibility: The diverter valve is compatible with many different Ford and Mercury vehicles, making it a versatile option for owners of these classic cars.
4. Cost-effective: The diverter valve is generally less expensive than other performance modifications, making it a budget-friendly option for many car enthusiasts.
However, there are also some potential cons to consider:1. Legal issues: In some areas, using a smog bypass diverter valve is illegal as it can lead to increased emissions and negatively impact air quality. It's important to check local regulations before making a purchase.
2. Decreased fuel efficiency: Running a richer fuel mixture can lead to decreased fuel efficiency, which may result in higher fuel costs over time.
3. Reduced reliability: Running a richer fuel mixture can put additional strain on the engine and exhaust system, which may lead to increased maintenance costs and potential reliability issues.
In conclusion, while a NOs smog bypass diverter valve can provide improved performance for classic Ford and Mercury vehicles, it's important to weigh the pros and cons and consider the potential legal and reliability issues before making a purchase. If you do decide to purchase one, be sure to install it correctly and maintain your vehicle regularly to ensure it continues to run smoothly.
3 liter 4 cylinder engine. Ford Mustang ii with It is in show quality condition.
New-old-stock smog-emissions air bypass diverter valve. Brand new in the Ford box. Impossible to find nos.
Ready to install Ford Bronco with 351 engine. Check it out.