
MPFI THROTTLE BODY - POLISHED
Universal 4BBL 1000CFM 4150 Flange Throttle Body - Polished Finish
Overview
Holley's new 1000 CFM Throttle Body shares the same air entry area design that powers every NASCAR Sprint Cup Series™ car! The throttle body features integrated throttle position, idle air control and intake air temperature sensors, Ford and GM transmission kick down levers as well as all necessary vacuum ports.
Features:
- Standard square bore mounting pattern for installation on many intake manifolds
- Flows 1000 CFM to handle high horsepower engines
- Exclusive CFD computer modeled air entry area delivers maximum velocity and accelerated air speed
- Integrated TPS, IAC, and Air Temperature Sensor
- Hi Flow IAC passages for large cubic inch engines for idle stability
- Ford Transmission kick down Lever for use with Ford automatic transmissions
- Integrated GM 700R4 transmission kick down location no adapters needed
- All necessary vacuum ports (1) timed spark, (2) 3/8" and (2) 3/16" full manifold vacuum ports
- 1.75" throttle plates mounted to PTFE coated throttle shafts for high flow and a smooth feel
- High quality die cast aluminum for strength and weight reduction
- Tumble polished finish
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 |
---|---|
Barrels | 4 |
Bore Diameter | 4x1.75 IN |
Brand | Holley EFI |
Category | Air and Fuel Delivery |
CFM | 1000 |
Emission Code | 3 |
Flange Style | 4150/4160 Square Bore |
Fuel Injectors Included | No |
Fuel System Type | EFI |
Gasket Or Seal Included | No |
Grade Type | Performance |
Height | 2.80" |
Idle Air Control Motor Included | Yes |
Mounting Hardware Included | No |
Product Type | Throttle Body |
Throttle Body Finish | Polished |
Throttle Body Material | Cast Aluminum |
Throttle Body Spacer Included | No |
Throttle Bore | 1.750 inch |
Throttle Position Sensor Included | Yes |
UPC | 090127689806 |
Part Number | 112-588 |
Emissions
3
This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.
The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:
- 1965 and older U.S. manufactured California Certified vehicles
- 1967 and older U.S. manufactured Federally Certified vehicles
- 1967 and older Foreign manufactured vehicle
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
The following vehicles are considered Emissions Controlled Vehicles:
- 1966 and newer U.S. manufactured California Certified vehicles
- 1968 and newer U.S. manufactured Federally Certified vehicles
- 1968 and newer Foreign manufactured vehicle
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