Throttle Body Spacers

A throttle body spacer (or riser) installs between the outlet of the throttle body and the rest of the intake system, sort of like a carburetor spacer, but for fuel-injected...

A throttle body spacer (or riser) installs between the outlet of the throttle body and the rest of the intake system, sort of like a carburetor spacer, but for fuel-injected engines. Typically made of aluminum, nylon, or resin, they add some extra plenum length and volume. Spacers intended for use the throttle body injection (TBI) have smooth internal bores, while spacers for multi-port injection engines have ridges or grooves. Either type of spacer can also add a distinctive note to the sound of your engine.

Easy Performance?

Some drivers report that adding a throttle body spacer, with no other modifications or tuning,...

Easy Performance?

Some drivers report that adding a throttle body spacer, with no other modifications or tuning, improves performance by adding a few horsepower, quickening throttle response, or increasing fuel economy.

Large displacement engines and wide-open throttle conditions tend to benefit most consistently from throttle body spacers. If you’ve made other air-hungry modifications to your engine, the expanded plenum volume will also certainly help. Your results may vary, so we recommend talking to other drivers with similar vehicles who have made similar modifications.

For additional information about throttle body spacers, check our Help Center.

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High-quality materials and thoughtful engineering make a difference you can feel, so shop with Summit Racing Equipment for brands you can trust, like Airaid, JET Performance, Holley, Spectre, Trick Flow, Volant, and more.

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Results 1 - 25 of 55

Trans-Dapt Performance TBI Riser Plates 2457

Trans-Dapt Performance TBI Riser Plates 2457

Injector Spacer, Throttle Body Injection, Aluminum, Black, 1/4 in., Chevy, GMC, Pickup/SUV, Each

Part Number: TRD-2457

4.54 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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Trans-Dapt Performance Swirl-Torque TBI Spacers 2534

Throttle Body Spacer, Swirl-Torque, Aluminum, Natural, 1 in., Chevy, GMC, Pickup/SUV, Each

Part Number: TRD-2534

4.71 out of 5 stars ( 31 )

Estimated Ship Date: Tomorrow

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Trans-Dapt Performance Wide-Open TBI Spacers 2633

Throttle Body Spacer, Wide Open, Aluminum, Natural, 1 in., Chevy, GMC, Pickup/SUV, Each

Part Number: TRD-2633

1.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Trans-Dapt Performance Swirl-Torque TBI Spacers for 1986 C10 SUBURBAN - 2533

Throttle Body Spacer, Swirl-Torque, Aluminum, Natural, 1 in., Chevy, GMC, Pickup/SUV, Each

Part Number: TRD-2533

4.36 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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Trans-Dapt Performance Swirl-Torque TBI Spacers for 2000 JIMMY - 2564

Throttle Body Spacer, Swirl-Torque, Aluminum, Natural, 1 in., Chevy, GMC, Pickup/SUV/Van, Each

Part Number: TRD-2564

4.38 out of 5 stars ( 24 )

Estimated Ship Date: Tomorrow

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Trans-Dapt Performance Swirl-Torque TBI Spacers 2536

Throttle Body Spacer, Swirl-Torque, Aluminum, Natural, 1 in., Chevy, GMC, Each

Part Number: TRD-2536

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Trans-Dapt Performance Smooth Bore TBI Spacers 2734

Throttle Body Spacer, Smooth Bore, Aluminum, Natural, 1 in., Chevy, GMC, Pickup/SUV, Each

Part Number: TRD-2734

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Trans-Dapt Performance Wide-Open TBI Spacers 2636

Throttle Body Spacer, Wide Open, Aluminum, Natural, 1 in., Chevy, GMC, Pickup/SUV, Each

Part Number: TRD-2636

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Trans-Dapt Performance Smooth Bore TBI Spacers 2715

Throttle Body Spacer, Smooth Bore, Aluminum, Natural, 1 in., Dodge, Each

Part Number: TRD-2715

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Trans-Dapt Performance Smooth Bore TBI Spacers 2766

Throttle Body Spacer, Smooth Bore, Aluminum, Natural, 1 in., Chevy, GMC/Hummer, Pickup/SUV, Each

Part Number: TRD-2766

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Trans-Dapt Performance Swirl-Torque TBI Spacers for 1988 V3500 - 2535

Throttle Body Spacer, Swirl-Torque, Aluminum, Natural, 1 in., Chevy, GMC, Pickup/SUV, Each

Part Number: TRD-2535

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Trans-Dapt Performance Smooth Bore TBI Spacers 2736

Throttle Body Spacer, Smooth Bore, Aluminum, Natural, 1 in., Chevy, GMC, Pickup/SUV, Each

Part Number: TRD-2736

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Trans-Dapt Performance Smooth Bore TBI Spacers for 1998 C1500, K1500, 2000 SIERRA 1500 - 2764

Throttle Body Spacer, Smooth Bore, Aluminum, Natural, 1 in., Chevy, GMC, Pickup/SUV/Van, Each

Part Number: TRD-2764

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

JET Powr-Flo Throttle Body Spacers 62144

Throttle Body Spacer, Powr-Flo, Aluminum, Blue Anodized, Chrysler, Dodge, Jeep, 3.6L, Each

Part Number: JET-62144

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

JET Powr-Flo Throttle Body Spacers 62104

Throttle Body Spacer, Powr-Flo, Aluminum, Blue Anodized, Chevy, GMC, Pickup/SUV, Each

Part Number: JET-62104

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

JET Powr-Flo Throttle Body Spacers 62100

Throttle Body Spacer, Powr-Flo, Aluminum, Blue Anodized, Chevy, GMC, Cadillac, Hummer, Pickup/SUV, Each

Part Number: JET-62100

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

JET Powr-Flo Throttle Body Spacers 62180

Throttle Body Spacer, Powr-Flo, Aluminum, Blue Anodized, Dodge, Ram, Jeep, Hemi, Each

Part Number: JET-62180

3.75 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

JET Powr-Flo Throttle Body Spacers 62122

Throttle Body Spacer, Powr-Flo, Aluminum, Blue Anodized, Ford, Pickup, SUV, Each

Part Number: JET-62122

4.0 out of 5 stars ( 3 )

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

JET Powr-Flo Throttle Body Spacers 62115

Throttle Body Spacer, Powr-Flo, Aluminum, Blue Anodized, Jeep, Each

Part Number: JET-62115

4.5 out of 5 stars ( 2 )

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

JET Powr-Flo Throttle Body Spacers 62143

Throttle Body Spacer, Powr-Flo, Aluminum, Blue Anodized, Cadillac, Chevrolet, GMC, Hummer, 5.3/6.0/6.2L, Each

Part Number: JET-62143

3.67 out of 5 stars ( 3 )

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

JET Powr-Flo Throttle Body Spacers 62134

Throttle Body Spacer, Powr-Flo, Aluminum, Blue Anodized, Chevy, Each

Part Number: JET-62134

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

JET Powr-Flo Throttle Body Spacers 62133

Throttle Body Spacer, Powr-Flo, Aluminum, Blue Anodized, Toyota, Each

Part Number: JET-62133

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

JET Powr-Flo Throttle Body Spacers 62101

Throttle Body Spacer, Powr-Flo, Aluminum, Blue Anodized, Chevy, GMC, Pickup/SUV, Each

Part Number: JET-62101

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

JET Powr-Flo Throttle Body Spacers 62139

Throttle Body Spacer, Powr-Flo, Aluminum, Blue Anodized, Chrysler, Dodge, Jeep, 5.7L, 6.1L, 6.4L, Each

Part Number: JET-62139

4.09 out of 5 stars ( 11 )

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

JET Powr-Flo Throttle Body Spacers for 1988-1993 MUSTANG - 62121

Throttle Body Spacer, Powr-Flo, Aluminum, Blue Anodized, Ford, Each

Part Number: JET-62121

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

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