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Updated: 06 Apr 2026

10 Best Fuel Throttle Body Spacers Adapters

#1 Best Pick
DEF 400-524 Throttle Body Spacer for Ford Mustang GT 1999-2004 4.6L V8 with Returnless Fuel System

DEF 400-524 Throttle Body Spacer for Ford Mustang GT 1999-2004 4.6L V8 with Returnless Fuel System

Brand: DEF
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  • Fitment:Throttle Body Spacer Replacement for Mustang GT 1999-2004 4.6L V8.
  • Replaces Part Number:400-524.
  • Material:CNC 6061-T6 Billet Aluminum.Anodized red for a good looking and a longer service life.
  • Feature:Provides Stronger Mid-Range Power,Improves Low End Torque and Throttle Response.with tremendous torque gains seen between 800 to 3000 RPM.
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#2 Best Value
Hooke Road 3.8L V6 Engine Throttle Body Spacer for Jeep JK Wrangler 2007 2008 2009 2010 2011

Hooke Road 3.8L V6 Engine Throttle Body Spacer for Jeep JK Wrangler 2007 2008 2009 2010 2011

Brand: Hooke Road
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  • ➤ Hooke Road 3.8L V6 Engine Throttle Body Spacer fits for 2007 2008 2009 2010 2011 Wrangler JK 3.8L Models
  • ➤ Large bore design; Cooler and denser air flow optimizes power and performance
  • ➤ Throttle Body Spacer:1/2"" inch thick; Moves throttle body 1/2” away from the intake manifold
  • ➤ Solid aluminum construction; Anodized black finish
  • ➤ Easy bolt-on installation requires no drilling
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#3 Budget Pick
ICT Billet LSA LS3 Throttle Body Spacer 1/2 inch Adapter LS Clearance 4 Bolt TB DBW 551757-5

ICT Billet LSA LS3 Throttle Body Spacer 1/2 inch Adapter LS Clearance 4 Bolt TB DBW 551757-5

Brand: ICT Billet
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  • Includes Adapter Plate All Bolts and an Oring Seal Needed for Installation
  • Made in Wichita, Kansas From Aerospace Grade, USA Produced, Billet Aluminum
  • Compatible with 4 Bolt Throttle Bodies
  • Spaces Throttle Body Out 1/2 Inch
  • Has 92mm Through Hole
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#4 Top Choice
Throttle Body Adapter, LS Drive By Wire Throttle Body Adapter 4 Bolt to 3 Bolt TB DBW 551567 for LS2 LS3

Throttle Body Adapter, LS Drive By Wire Throttle Body Adapter 4 Bolt to 3 Bolt TB DBW 551567 for LS2 LS3

Brand: CDQL
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  • 🚓【Applicable Model】: LS drive by wire throttle body adapter fits for LS2 LS3 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG L98 L9H L20 L94 LZ1 L99 L96 LC8 L77.
  • 🚓【Compatible Size】: Manifold throttle body spacer is compatible with up to 75mm / 2.95in throttle body, compatible with intake manifolds up to 102mm / 4.02in.
  • 🚓【Function】: This throttle body adapter allows you to mount a 3 bolt DBW LS throttle body to a 4 bolt LS intake. For example, an LS2 or LS3 intake manifold.
  • 🚓【Aluminum Construction】: LS throttle body adapter is constructed of aluminum material, high strength and hardness structure, not easy to rust, bend or deform.
  • 🚓【Easy Operation】: Including mounting hardware and gasket, LS drive by wire throttle body spacer is easy to install, will not damage the original accessories.
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#5 Popular Choice
PQY Throttle Body Spacer Compatible with 91-06 Jeep Wrangler TJ YJ LJ Cherokee XJ 2.5L/4.0L Engine Gas MJ w/Gasket 1" Raise Manifold Carb Red

PQY Throttle Body Spacer Compatible with 91-06 Jeep Wrangler TJ YJ LJ Cherokee XJ 2.5L/4.0L Engine Gas MJ w/Gasket 1" Raise Manifold Carb Red

Brand: PQY
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  • The throttle body spacer is designed to enhance off-idle torque from 800 rpm to approximately 3,000 rpm. 1″ thick to provide a smoother, faster and more dense air charge resulting in HP, TQ and MPG increases.
  • The throttle body spacer kit can only work for models with 4.0L/ 2.5L engines and only fit 4-bolt throttle Bodies.
  • Compatible with Jeep TJ Wrangler 1997-2006 4WD ; compatible with Jeep TJ Wrangler Unlimited 2004-2006 4WD ; compatible with Jeep YJ Wrangler 1987-1995 4WD ; compatible with Jeep XJ Cherokee 1984-2001 4WD/2WD ; compatible with Jeep MJ Comanche 1986-1993 4WD/2WD .
  • Package includes 1x Aluminum throttle body Spacer;2x Gaskets; 3x Spacers;7x Bolts with small washer.
  • The throttle body spacer is a easy bolt-on installation,and there is no installation instruction included .
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#6 Top Pick
551513 LS Throttle Body Adapter 92mm Compatible with LS1 3 Bolt Intake Manifold to LS3 4 Bolt Throttle Body DBC L33 L59 LM4 LM7 LQ4 LQ9 LR4 LS6 LSX 4.8L 5.3L 5.7L 6.0L Replacement for 551513

551513 LS Throttle Body Adapter 92mm Compatible with LS1 3 Bolt Intake Manifold to LS3 4 Bolt Throttle Body DBC L33 L59 LM4 LM7 LQ4 LQ9 LR4 LS6 LSX 4.8L 5.3L 5.7L 6.0L Replacement for 551513

Brand: HIO-YAUTOM
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  • Replacement OE Part Number: The throttle body adapter 92mm replacement for part number 551513; Please confirm that the part number and model match the parts of your vehicle before purchase
  • Fitment: The throttle body spacer adapter compatible with Drive by Wire (DBW) and Drive by Cable (DBC) 4-bolt throttle bodies, compatible with LS1 3 Bolt Intake Manifold to LS3 4 Bolt Throttle Body, compatible with DBC L33 L59 LM4 LM7 LQ4 LQ9 LR4 LS6 LSX 4.8L 5.3L 5.7L 6.0L Engine
  • Quality Material: Crafted from premium aluminum alloy, it delivers exceptional durability, heat resistance, and deformation resistance, It features corrosion-resistant rubber O-rings to ensure a precise seal and enduring performance.
  • Product Includes: 1 x Adapter plate, 1 x O ring seal, 11 x bolts; Adapter plate has a 75mm through hole, tapered to 92mm for the throttle body.
  • Customer Service: Our Throttle Body Adapter comes with a 1 - year warranty. If you face any issues or are unhappy with your purchase within this period, we'll do our best to provide satisfactory service. Your satisfaction is our priority
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#7 Top Pick
Rough Country Throttle Body Spacer for Jeep Wrangler JK/JL&JT | 3.6L - 10561,Black

Rough Country Throttle Body Spacer for Jeep Wrangler JK/JL&JT | 3.6L - 10561,Black

Brand: Rough Country
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  • Improved torque performance.
  • Increased fuel economy.
  • Spiraling Helix design
  • Durable Red Anodized Aluminum ,
  • Backed by Rough Country's Lifetime Warranty
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#8 Top Pick
YESHMA Throttle Body Spacer Compatible with Jeep Wrangler TJ YJ 1987-2006, Throttle Body Spacer Compatible with Cherokee XJ 1984-2001

YESHMA Throttle Body Spacer Compatible with Jeep Wrangler TJ YJ 1987-2006, Throttle Body Spacer Compatible with Cherokee XJ 1984-2001

Brand: YESHMA
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  • 1.Premium Quality:Made of Durable Anodized Aluminum, the Throttle Body Spacer Replacement for Jeep Wrangle and Cherokee features as to be heavy duty, Stable.
  • 2.Application: Compatible with Jeep Wrangler TJ YJ 1987-2006, Throttle Body Spacer Compatible with Cherokee XJ 1984-2001.
  • 3.NOTE: Only fits Throttle Body models with 4.0L/ 2.5L engines.; only fits 4-bolt Throttle Bodies
  • 4.Feature: Improved Torque Performance. Increased Fuel Economy.
  • 5.Service: 24 hours’ service, 6 months’ warranty.
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#9 Top Pick
BAGARAATAN 102mm Throttle Body Spacer Adapter Plate Kit,Aluminum LS Aluminum Throttle Body Spacer Adapter Plate Fits GM LS1 LS2 LS6 LS7 LSX LS Engine

BAGARAATAN 102mm Throttle Body Spacer Adapter Plate Kit,Aluminum LS Aluminum Throttle Body Spacer Adapter Plate Fits GM LS1 LS2 LS6 LS7 LSX LS Engine

Brand: BAGARAATAN
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  • 【Vehicle Application】 The throttle body spacer adapter compatible with Drive by Wire (DBW) and Drive by Cable (DBC) 4-bolt throttle bodies, compatible with 102mm Throttle Body - LS LS1 LS2 LS3 LS4 LS6 LS7 LSX
  • 【Usable Range】Work With Any 3 Bolt Intake Manifold (LS1, LS6, Truck Style) And 4 Bolt Throttle Body (LS2, LS3, LS7, L92, L99, L76)(Please Check Your Engine Application Before Purchase To Insure Correct Fitment)
  • 【High Quality Material】 LS throttle body adapter is made of aircraft grade aluminum through superb process design, which is not easy to break, anti-corrosion and anti-rust, impact resistant, high precision and high hardness.
  • 【Feature】 The Port Size Is 102mm On The Throttle Body Side And Tapers To Match The 75mm Port On The Intake Manifold. If your throttle body larger than 102mm, you need other washers and bolts
  • 【Package Includes】Adapter plate, O ring seal, 4 x bolts. Requires The Purchase Of A 75mm - 102mm Throttle Body - Will Not Directly Bolt On
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#10 Top Pick
Zerodis LS Drive By Wire Throttle Body Adapter,TB DBW 551567 LS2 LS3 Intake Manifold Throttle Body Spacer for LS2 LS3 LH6 L92 L76 LY2 LY5 LY6 LC9

Zerodis LS Drive By Wire Throttle Body Adapter,TB DBW 551567 LS2 LS3 Intake Manifold Throttle Body Spacer for LS2 LS3 LH6 L92 L76 LY2 LY5 LY6 LC9

Brand: Zerodis
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  • Applicable Model: LS drive by wire throttle body adapter fits for LS2 LS3 LH6 L92 L76 LY2 LY5 LY6 LC9 LH8 LMG L98 L9H L20 L94 LZ1 L99 L96 LC8 L77.
  • Compatible Size: Manifold throttle body spacer is compatible with up to 75mm / 2.95in throttle body, compatible with intake manifolds up to 102mm / 4.02in.
  • Function: This throttle body adapter allows you to mount a 3 DBW LS throttle body to a 4 LS intake. For example, an LS2 or LS3 intake manifold.
  • Aluminum Construction: LS throttle body adapter is constructed of aluminum material, high strength and hardness structure, not easy to bend or deform.
  • Easy Operation: Including mounting hardware and gasket, LS drive by wire throttle body spacer is easy to install, will not damage the original accessories.
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