fits model: Sp.

( Brand: Holley ), ( Manufacturer Part Number: 0-80689 ), ( Type: Gen 3 Ultra Dominator Sp Carburetor ), ( Country/region Of Manufacture: United States ), ( Performance Part: Yes ), ( UPC: 090127725252 )
The Holley 0-80689 Gen Ultra Dominator 650 CFM 2-Gun Metal Single Plane Performance Carburetor (part number 090127725252) is a high-performance carburetor designed for serious hot rods, custom street machines, and racing applications. This carburetor is crafted with Holley's latest advances in carburetor technology to deliver precise fuel delivery and exceptional power and torque.
This carburetor features a 650 CFM venturi, making it an excellent choice for medium to large size engines. The 2-Gun Metal Single Plane Intake provides a classic look while improving airflow and enhancing engine performance. The Ultra Dominator also includes Holley's proven internal parts like the Dominator bowl, 850 CFM hollow blaster squirters, and 0-8811 finned venturi spacer to ensure consistent fuel delivery and incredible throttle response.
The Ultra Dominator's 0-8832 progressive link secondary system allows you to fine-tune the carburetor for various engine configurations and driving conditions. Its adjustable accelerator pumps help achieve an optimal idle and eliminate the "hiccups" experienced with some other carburetors. In addition, the adjustable fuel pressure regulator permits fine-tuning of fuel pressure to optimize engine performance.
Holley's Ultra Dominator carburetor is engineered with a myriad of unique features such as a float bowl drain plug for easy bowl venting, a 6-inch Spal fanscales fan for superior cooling, and the versatile 0-8864 idle mixture screw. This carburetor also includes a float bowl gasket, carb base gasket, and primary and secondary linkage hardware, making the installation process convenient and hassle-free.
With its renowned reputation for durability and superior performance, the Holley 0-80689 Gen Ultra Dominator carburetor is the ultimate choice for hot rodders and performance enthusiasts in search of a true carburetion solution for their unique application.
The Holley 0-80689 Gen Ultra Dominator 650 CFM Double-Pumper Carburetor is a popular choice among automotive enthusiasts seeking to upgrade their stock carburetor for better performance. Here are some pros and cons of investing in this specific model:
Pros:1. Enhanced Performance: The Holley Gen Ultra Dominator is designed to deliver superior performance with its advanced features such as vacuum secondaries, door-hanging lifters, and improved idle circuits. It also comes with an adjustable idle mixture control, allowing you to fine-tune the idle for your specific engine and driving conditions. These features help improve throttle response, power output, and overall engine efficiency.
2. Customizable: This carburetor is extremely versatile and can be tweaked to suit a wide array of applications. Holley offers various modification options like vacuum secondary kits, fuel pressure regulators, and emissions control devices that cater to different vehicle types and driving styles. Users can easily make adjustments and modifications to optimize engine performance and fuel economy.
3. Durability: The Gen Ultra Dominator is constructed from high-quality materials, including billet aluminum, and features heavy-duty internal components to withstand the demands of high-performance driving. It also boasts a throttle shaft with an integrated throttle position sensor (TPS) that provides real-time data to your engine management system, helping enhance performance and emissions control.
4. Better Fuel Economy: By optimizing fuel delivery, idle quality, and engine efficiency, the Holley Gen Ultra Dominator can help improve fuel economy in comparison to a stock carburetor. While the exact fuel savings will vary depending on the vehicle model and driving conditions, users have reported noticeable improvements in fuel efficiency following the installation of this carburetor.
Cons:1. Complexity: Installing and optimizing the Gen Ultra Dominator requires a higher level of engineering knowledge and expertise compared to a standard carburetor. Users may need to invest time and effort into fine-tuning the settings to achieve the perfect balance between optimal performance and drivability.
2. Cost: The Holley Gen Ultra Dominator is not an inexpensive carburetor option. It carries a significant cost premium compared to stock or off-the-shelf aftermarket carburetors. However, its sophisticated features and impressive performance advantages may justify the investment for some enthusiasts.
3. Compatibility: The Gen Ultra Dominator may not be a suitable option for all vehicle applications. Consult the Holley technical catalog to ensure that your engine and transmission configurations are compatible with this carburetor model. Additionally, if you use emission-control devices, such as catalytic converters or oxygen sensors, consult with Holley or their technical support team to confirm compatibility before installing the carburetor.
Conclusion:The Holley 0-80689 Gen Ultra Dominator 650 CFM Double-Pumper Carburetor offers impressive performance improvements and customizability for automotive enthusiasts looking to boost their engine's power output and fuel efficiency. Its high-grade materials and heavy-duty components ensure longevity, while the versatility of the product allows users to make adjustments to suit a wide variety of driving styles and vehicle applications. However, its complexity and cost premium may be barriers for some users. Ultimately, the decision to invest in a Holley Gen Ultra Dominator depends on your individual performance goals,Installation requirements, and budget. If you are eager to unlock your engine's potential and take your driving experience to new heights, this attractive, high-performance carburetor may be the perfect investment for you.
Screw In Air Bleeds Offer Precise Tuning Capabilities. Fuel Inlet: Dual. This new height allowed for larger radius air entries to deliver smoother flow that equates improved throttle response and consistency. Other features include all aluminum construction, unable billet metering blocks, throttle position sensor mounting points and knurled hand adjustable curb idle screws.
An extended air cleaner flange is incorporated for easy scoop attachment when using the available adapter. Carburetor Type: 4500. Gen 3 Ultra Dominator SP Carburetor; 4bbl; 1050 cfm ; Circuit Metering; model 4500; 1x4 Carb Set-Up; Dual 50cc Accelerator Pump; No Choke; Gas; Fuel Inlet; Shiny Finish;. Metering Blocks Feature Improved True Gasket Sealing.
Annular Booster Deliver Excellent Signal and Throttle Response. Emission: Without EGR. Usage: Racing. Holley carburetors have powered every NASCAR Sprint Cup team and nearly NHRA Pro-Stock champion for four decades.
Material: Aluminum. Clear Sight Windows On Fuel Inlet Side For Level Adjustment. Type: Automotive. Shiny With Billet Aluminum Metering Block and Black Hardware.
Notched Float and Jet Extension Are Factory Installed. Fully Machined From Venture Throat To Throttle Bore For Perf. SPECIFICATIONS: Barrel: Four. Billet Color: Clear SP Dominator.
Manufacturer: Holley, Part Number: 0-80689, condition: New: Carburetor. Holley's products also include performance fuel pumps, intake manifolds engine dress-up for street performance, race and marine applications. Supercharged Application: No. Finish: Shiny.
Secondary Type: Mechanical. Over Original model's. Fuel Type: Gasoline. Each calibration has been Dino and track tested to deliver proven performance.