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112-581 Throttle Body

You Save : $68.05 (10%)
List Price : $673.00
Manufacturer #112-581
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Questions, Answers
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Requires HLY-543-111 TPS (Sold separately); Designed for use with 4-bolt LS intake manifolds.
LS EFI Series
Quantity Sold:
Sold individually
90-day Holley limited warranty
Anticipated Ship Out Time:
5-6 business days
Number of Venturi:
Product Fit:
Venturi Diameter:
105 mm

Product Information


  • Available as universal-fit or direct, bolt-on replacement
  • Premium aluminum construction for superior durability and lighter weight
  • Built for amplified airflow, horsepower and torque
  • Offered in wide variety of sizes, styles, configurations and flow rates
  • Ideally designed for racing and high-performance engines

Revive your high-performance engine with the premium aluminum construction of Holley’s throttle bodies for amplified airflow, horsepower and torque. With over 100 years of experience, Holley is one of the most recognized names in fuel delivery systems and their carburetors have powered every NASCAR Sprint Cup team for over four decades.

See product for application and installation details.
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 90 days and we’ll take care of it. Check out our Warranty Policy for more details.
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We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Question and Answer

Will this fit a 2015 f150 3.5 eco boost ? Dec 17, 2020
Best Answer:Hi, This is not a direct fit vehicle specific part. This is universal type for custom made applications only. Please check more information from our supplier's online resource catalog, click the link below. <a href="" target="_blank"></a>
Jeonino E.STAFFDec 17, 2020
Will this fit 17’ 5.0 f-150?Michael M.Sep 12, 2020
Best Answer:Hi Michael, This is not designed specifically for your vehicle and engine size. This is a universal fitment type for custom built vehicles and modified or upgraded engine. Unfortunately, we do not carry a direct fit for your vehicle and engine application.
Jeonino E.STAFFSep 12, 2020
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