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Throttle Body Spacer (91-06 2.5L or 4.0L Jeep Wrangler YJ & TJ)

Item J113842
ExtremeTerrain no longer carries the Throttle Body Spacer (91-06 2.5L or 4.0L Jeep Wrangler YJ & TJ). Please check out Jeep Throttle Body Spacers for an updated selection.
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    Product Information

    Features, Description, Reviews, Q&A, Specs & Installation


    • Throttle Body Spacer
    • Promotes More Fast, Dense, & Smooth Air Charge
    • Lifts Throttle Body 1 Inch Above Intake Manifold
    • Big Bore Design for Increased Air Flow
    • Boosts Power, Torque, and Fuel Mileage
    • Solid Aluminum
    • Anodized Black
    • Easy Bolt-On Installation - Requires No Cutting
    • Comes with Installation Hardware
    • Limited 12-Month Warranty
    • For 2.5L and 4.0L Engines
    • Fits Jeep Wrangler YJs and TJs from 1991-2006


    Improved Power and Performance. With the Throttle Body Spacer Kit, you’ll lift your Jeep’s throttle body a whole inch above the intake manifold. This increased height, together with the spacer’s big bore design, promotes the increased flow of dense, cold air for a superior air charge. You’ll enjoy more power, more torque, and increased fuel mileage.

    Solid Aluminum Construction. The Throttle Body Spacer is manufactured from solid high-performance aluminum alloy. The rugged, lightweight engineering is complemented by a finish in anodized black that looks wicked and withstands the climate in the engine bay.

    Easy Bolt-On Installation.The Throttle Body Spacer comes with all of the installation hardware you need, including gaskets. The rigorous design and construction ensures this is an easy bolt-on fit, with no need to perform any cutting.

    Twelve-Month Warranty. You get a limited 12-month/12,000 mile warranty with the Throttle Body Spacer Kit.

    Application. The Throttle Body Spacer fits the 2.5L, or 4.0L 1991-2006 Jeep Wrangler YJ and TJ.

    Fitment: Details

    CA Residents: WARNING: Cancer and Reproductive Harm -


    Customer Reviews (5)

    Write a Review

    Ratings Summary

    4.4 out of 5 overall rating from 5 customers

    Installation Time: Less than 1 Hour

    • January 14, 2019

      4 2000 Wrangler - PaulG Installation Time: Less than 1 Hour

      Great product for price

      Easy upgrade , mild gains , smooth excelleration I would recommend

      Helpful (5)
    • September 11, 2018

      4 1999 Wrangler - DanM Installation Time: Less than 1 Hour


      Works great faster 1st gear biggest notice 3rd gear pretty sure the milage is better close to a mile pg.

      Helpful (12)
    • August 02, 2018

      5 1994 Wrangler - MattP Installation Time: Less than 1 Hour

      Great choice

      The spacer worked extremely well. I coupled mine with a 62mm throttle body. The power gain and responsiveness is definitely noticeable. No no bogging down on big hill climbs or deep mud pits.

      Helpful (13)
    • January 13, 2018

      4 2006 Wrangler Unlimited - RyanJ Installation Time: Less than 1 Hour

      Does what it is supposed to

      Good throttle body spacer, however the inner circle where the air passes through is not bored out to create a vortex whereas many other spacers are. That is my only complaint other than that works well

      Helpful (14)
    • January 07, 2018

      5 1997 Wrangler - WilliamA Installation Time: Less than 1 Hour

      Looks amazing

      I think it was well worth the money. I have noticed a slight increase in throttle response and a little bit better mpg.

      Helpful (15)

    Questions & Answers (1 answers)

    1 Top Rated Question

    What is the bore size? Is it 62mm?

    • This is designed to be used with the stock 55mm throttle body, and will not work properly with a larger aftermarket 62mm throttle body.

    Helpful (1)
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    Installation & What's in the Box

    Installation Info

    What's in the Box

    • (1) Throttle Body Spacer
    • Installation Hardware

    Will It Fit My Wrangler

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