THROTTLE BODY, NHRA PRO STOCK
Overview
The Holley EFI billet aluminum Pro Stock throttle body is designed to fit Visner Engine Development's oval mounting flange.
Features:
- Massive 25 Square Inch, 7"x 4.5" Oval throttle opening
- Designed to fit Visner Engine Development's oval mounting flange
- Fully adjustable, 6 position throttle lever mount
- Includes non-contact magnetic hall effect TPS sensor, PN 543-112
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 |
|---|---|
| Bore Diameter | 7x4.5 IN |
| Brand | Holley EFI |
| Category | Air and Fuel Delivery |
| Discount Percentage | 26-50% |
| Emission Code | 4 |
| Fuel Injectors Included | No |
| Fuel System Type | EFI |
| Gasket Or Seal Included | No |
| Grade Type | Performance |
| Idle Air Control Motor Included | No |
| Mounting Hardware Included | No |
| Product Type | Throttle Body |
| Throttle Body Finish | Black |
| Throttle Body Material | Billet Aluminum |
| Throttle Body Spacer Included | No |
| Throttle Bore | 7"x 4.5" Oval |
| Throttle Position Sensor Included | Yes |
| UPC | 090127724866 |
| Manufacturer Part Number | 112-123 |
| Part Number | 112-123 |
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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