Name: Holley® 112-578 - Throttle Body
Brand: Holley
SKU: mpn5233445746
Price: 1799.95 USD
Availability: InStock

Vehicle Fitment

This part is universal

Fits Models with 4500 Dominator® Flange Intake Manifolds.

Specifications

Adjustable	Yes
Barrel Quantity	4
Bore Diameter	4x2.25 IN
CFM	2000
Emission Code	4
Finish	Clear
Flange Style	4500 Dominator
Fuel Injectors Included	No
Fuel System Type	EFI
Gasket Or Seal Included	No
Height	2.49
Idle Air Control Motor Included	Yes
Material	Billet
Mounting Hardware Included	No
Throttle Body Finish	Polished
Throttle Body Material	Billet Aluminum
Throttle Body Spacer Included	No
Throttle Bore	2.250"
Throttle Position Sensor Included	No
Diameter	57.15 mm
Throttle Bore Size	57 mm
Material	Billet Aluminum
Style	Multi-port injection, MPI
Type	4500 Style Flange
Finish	Natural
Quantity	1 Piece

Features

CNC Billet Construction
Progressive Linkage System
More Precise Throttle Control
Better Drivability
Maximum Airflow
Minimizes Air Turbulence
Throttle shafts are offset with respect to the throttle plates so engine vacuum will assist throttle plate closure
Provision for installing Holley P/N 20-113, TH-700R4 over-drive transmission kick-down cable bracket
Three manifold vacuum ports are available including one for PCV
Designed with a DOMINATOR® mounting flange
Utilizes 2.25” throttle bores.

Product Details

Throttle Body by Holley®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an affordable cost.

Holley® - Warranty Holley® - Catalogs Made In USA Holley Authorized Dealer FAQ Video About us

Brand:

Holley

Part Number:

112-578

UPC:

090127676929

Alternate MPN:

112578

Warranty

Holley warrants its products to be free from defects in materials or workmanship for a period of 90 days. The warranty period begins on the date the product is delivered.

Holley Performance Products Limited Warranty specifically does not apply to products, which have been (a) modified or altered in any way; (b) subjected to adverse conditions, such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion, or faulty repair; or (c) used in other than those applications recommended by Holley Performance Products. Holley Performance Products also does not warrant, and disclaims all liability for products used in racing activities and/or applications other than those specifically recommended in the current brand catalog.

Holley limits the warranty on Metallic Ceramic Coatings to be free from defects in material and workmanship for a period of 90 days from the date of purchase. This limited coating warranty does not apply to any products which have been subjected to adverse conditions, such as high heat encountered during engine break-in or if used during any racing activity.

Holley Performance Products warrants its new marine products to be free from defects in material and workmanship for a period of 90 days from date of purchase. For the safety and protection of persons and property, all United States Coast Guard and other marine product safety installation and use requirements and recommendations must be carefully studied and applied. The above recommendations include, but are not limited to the recommendation that the installation, adjustment, and repair of Holley carburetors or other marine products must be performed only by a trained mechanic having adequate marine fuel system experience, and in strict compliance with the applicable Holley installation, maintenance, and other instructions. Failure to follow such requirements and recommendations will void this Holley Marine Limited Warranty, and Holley disclaims any responsibility and/or liability for accidents resulting from such failure.

Holley® Performance Products warrants its Holley® Street Avenger™ Carburetor to be free from defects in material and workmanship for the life of the product on parts and one year on repair labor. After a period of one year, Holley® will charge standard rates for repair labor. For any Holley® Street Avenger™ Carburetor used in any type racing or off-road use will only be covered by a one (1) year limited warranty on parts and labor.

Holley® Performance Products warrants its Holley® Marine Avenger™ Carburetor to be free from defects in material and workmanship for the life of the product on parts and one year on repair labor. After a period of one year, Holley® will charge standard rates for repair labor. For any Holley® Marine Avenger™ Carburetor used in any type racing or off-road use will only be covered by a one (1) year limited warranty on parts and labor.

Magnuson-Moss Warranty Act:

Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Reviews

(0)

Only authorized customers can leave a review on our website. We would love to know what you like or dislike about the product. Share your opinion on product quality, appearance, installation, and other characteristics.

Questions and Answers

(0)

If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!