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4500 BIG DUAL
2550CFM Dominator Flange "Big Dual" Throttle Body Air Valve
Overview
Holley's NEW EFI Throttle Bodies are unquestionably the BIGGEST BORE - MOST FEATURE LOADED units available on the market today. Holley went back to the drawing board and built the ultimate air valves for your hotrods power plant. The 2550 CFM Dominator Flange Throttle body will be at home on even the largest cubic inch engines. These throttle bodies are feature packed, showcasing roller bearing throttle shafts, non-contact magnetic TPS sensors, and index-able throttle leavers. Making these the ultimate throttle bodies for ease of installation and tuning. Regardless of whether you have a turbo, supercharger, or a big cam engine pumping massive gulps of air, Holley's throttle bodies are maximized for your application.
Features:
- Lightweight billet design (4500 bolt pattern)
- Dual throttle blades for maximum airflow
- Shafts ride on roller bearings for ultra-smooth throttle actuation
- Flows 2550 CFM
- Versions with and without supplemental injector provisions (4 injectors per TB and rails)
- Non-contact magnetic TPS sensor – Bringing Pro Stock and ARCA Technology to your ride!
About Holley EFI
Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!
Specs
| Adjustable | Yes |
|---|---|
| Billet Color | Clear |
| Bolt Pattern | Dominator Flange |
| Bore Diameter | 28.5 SI |
| Brand | Holley EFI |
| Category | Air and Fuel Delivery |
| CFM | 2550 |
| Emission Code | 4 |
| Fuel Injectors Included | No |
| Fuel System Type | EFI |
| Gasket Or Seal Included | No |
| Grade Type | Performance |
| Height | 3 Inches |
| Idle Air Control Motor Included | Yes |
| Material | Billet Aluminum |
| Mounting Hardware Included | No |
| Product Type | Throttle Body |
| Throttle Body Finish | Polished |
| Throttle Body Material | Billet Aluminum |
| Throttle Body Spacer Included | No |
| Throttle Bore | 25.8 Sq Inches |
| Throttle Position Sensor Included | Yes |
| UPC | 090127741207 |
| Part Number | 112-593 |
Emissions
4
This part is legal for sale or use on Racing Use Only Vehicles
The following vehicles are considered Racing Use Only Vehicles:
- Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
Tech Resources
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