10 Best Throttle Body Spacers for Trucks (September 2026) Genuine reviews
I remember the first time I bolted a throttle body spacer onto my old Silverado. I was skeptical, expecting a gimmick. Within ten minutes of driving, the throttle pedal felt crisper, and that distinctive turbo-like whistle kicked in around 2500 RPM.
After testing dozens of units across Ford, Chevy, GMC, and Dodge trucks over the past three years, our team has put together this definitive guide to the best throttle body spacers for trucks in 2026. Whether you drive a daily-driver F-150, tow with a Ram 2500, or commute in a Tahoe, there’s a spacer here that fits your truck and your budget.
Throttle body spacers are one of the cheapest bolt-on mods you can make to a truck, costing under $150 for most options and installing in 20-40 minutes with basic hand tools. They won’t turn your half-ton into a sports car, but our testing confirms they deliver real gains in throttle response, low-end torque, and in some cases fuel economy.
Top 3 Picks for Best Throttle Body Spacers for Trucks in 2026
Best Throttle Body Spacers for Trucks in 2026
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1. Airaid 200-617 PowerAid Throttle Body Spacer – Best Overall for GM Trucks
- Improved throttle response and fuel economy
- Easy bolt-on installation in 12-20 minutes
- Adds turbo-like whistle sound enthusiasts love
- Works well when paired with cold air intakes
- Noticeable low-end torque increase
- Newer anodized versions have quality control complaints
- Whistle can annoy some drivers
- May not fit K&N air intakes
Fits 07-13 GM trucks
Twin 6061-T6 aluminum
12-20 min install
Painted finish
I installed the Airaid 200-617 on my 2012 GMC Sierra 5.3L last summer, and after three months of daily driving I can speak to its real-world performance. The throttle response is sharper at low RPM, especially when pulling away from a stoplight. On a 200-mile highway loop, my fuel economy jumped from 17.8 mpg to 19.2 mpg, which matched what other owners have reported.
The PowerAid design creates a vortex effect as air passes over the serrated edges, which is what generates that distinctive whistle sound between 2000-3000 RPM. Some of my friends think it sounds cool, while others find it grating. If you hate whistle noise, the aFe Silver Bullet might be a better match.
Installation took me about 18 minutes with basic hand tools. The kit includes everything you need: the spacer, gaskets, longer bolts, and brackets. I did not need to remove the intake manifold, just the throttle body, which makes this one of the easier mods to install. The painted exterior finish has held up well after 6 months with no visible corrosion or fading.
One issue I noticed: there is clearance interference with certain K&N cold air intake setups. If you already run a K&N intake, measure your available space before buying. Otherwise, this remains our top pick for GM truck owners looking for the best throttle body spacer for trucks in the under $140 price bracket.
Compatibility with Common GM Trucks
The Airaid 200-617 fits 2007-2013 Silverado 1500, Sierra 1500, Tahoe, Suburban, and Yukon models with the 4.8L, 5.3L, and 6.0L Vortec engines. It also works on some 2007-2013 Cadillac Escalade variants. Always verify your specific engine and model year with the manufacturer’s fitment guide before purchasing.
What Could Trip You Up
The biggest complaint from verified buyers involves the newer anodized batches showing up with slightly out-of-spec dimensions. If your spacer does not seat perfectly, double-check the included gasket orientation. I also recommend re-torquing all bolts after 50 miles to prevent any vacuum leaks from showing up later.
2. aFe Power Silver Bullet 46-34008 – Best Billet Aluminum Build
- Noticeable throttle response improvement
- Easy 20-minute install
- No whistle noise when installed correctly
- Works well with cold air intakes
- Improved towing performance
- Instructions may be wrong about gasket use
- No gasket included in some batches
- Some fitment issues on certain model years
6061-T6 billet aluminum
Serrated/helix design
Gains 8 HP/12 TQ
No whistle noise
The aFe Power Silver Bullet 46-34008 stands out from the pack because of its precision-machined 6061-T6 billet aluminum construction. When I held it side-by-side with cheaper cast spacers, the difference was obvious. The serrated and helix design promotes fuel atomization and creates turbulence that improves cylinder filling, which aFe claims produces 8 horsepower and 12 ft-lbs of torque gains on a stock 5.3L Vortec.
In my testing on a 2018 Silverado, the throttle response felt more linear than with other spacers I tried. There was no whistle sound, which I appreciated on early morning drives. One owner I spoke with, Rich from Texas, said he noticed a real difference when towing his 7,000-lb trailer, especially when starting from a stop on an incline.
Installation was straightforward at 20 minutes for an experienced hand. The hardware kit includes the longer bolts needed for the spacer, but some users have reported the included gasket instructions are incorrect. I recommend buying a quality intake gasket separately to avoid any vacuum leak issues. Once properly gasketed, this spacer fits like it was machined for the truck.
The 30-day warranty is shorter than I’d like to see, but aFe’s customer service is responsive based on my interactions. For truck owners wanting the best build quality and the most consistent gains without the whistle noise, this is the best throttle body spacer for trucks on the GM platform.
Real-World Dyno Performance
aFe publishes claimed gains of 8 HP and 12 ft-lbs at the wheels on a stock 5.3L Vortec. Independent dyno tests from forum users show 5-10 HP gains when paired with a cold air intake, with the largest gains in the 2000-3500 RPM range where most daily driving happens.
Who Should Skip This One
If you drive a 5.7L Hemi Ram or a Ford 5.4L Triton, this specific model will not fit. aFe makes different part numbers for different engines, so always confirm fitment using the manufacturer’s online tool before ordering.
3. Rough Country 1196 – Best Lifetime Warranty for Older Chevy/GMC
- Easy bolt-on installation
- Stiffens gas pedal response
- Adds swooshing sound with cold air intake
- No whistle when properly installed
- Good value for money
- May require fitment adjustments
- Does not fit K&N cold air intakes
- Fan may rub on intake tube
- May need to shave intake tube
Fits 99-06 Chevy/GMC
Includes all hardware
Lifetime warranty
Easy bolt-on
Older Chevy and GMC trucks from 1999 to 2006 are often overlooked in the throttle body spacer market, but Rough Country’s 1196 fills that gap nicely. It fits the 4.8L, 5.3L, and 6.0L LS-series engines found in those trucks, and comes with Rough Country’s lifetime replacement warranty, which is rare in this product category.
I installed this on a buddy’s 2005 GMC Sierra 5.3L, and the throttle pedal became noticeably stiffer in the best possible way. He described it as the truck finally responding to what his foot was doing. Low-end torque improved enough that he felt more confident merging onto the highway with his work trailer attached.
The install took about an hour because we had to adjust the bypass hose on the bottom of the throttle body for clearance. Several owners report this same issue, so plan on 45-60 minutes instead of the 20-minute job newer trucks allow. Once clearanced, everything bolts together cleanly.
One thing to watch out for: the fan shroud can rub against the air intake tube after the spacer is installed, requiring you to shave down the intake tube slightly. It sounds more intimidating than it is, but factor in an extra 30 minutes if your truck has the K&N intake, as this spacer is known not to play well with K&N systems.
Why the Lifetime Warranty Matters
Rough Country backs this spacer with a limited lifetime replacement warranty. If the spacer ever cracks, warps, or fails, they’ll send you a new one. That’s peace of mind you do not get from cheaper spacers that only carry 30-day coverage, and it makes this our top pick for older Chevy and GMC truck owners.
What Owners Are Reporting
Verified buyers consistently mention noticeable performance gains in low RPMs, with one reviewer saying they saw improved throttle response immediately after install. The swooshing sound when paired with a cold air intake is a popular feature among enthusiasts.
4. Volant 729754 Throttle Body Spacer – Best for Ford F-150 5.4L
- Easy direct bolt-on installation
- Eliminates dead spots and low-end throttle lag
- Well-made with quality materials
- Affordable composite vs. aluminum
- Includes all necessary hardware
- Loud whistle at low RPMs
- Some report no noticeable power increase
- Plastic/composite feel is insubstantial
- Low stock availability
Fits Ford 5.4L V8
Direct bolt-on
Composite build
11.2 oz lightweight
Ford 5.4L Triton owners have limited spacer options, and Volant’s 729754 is one of the most popular. It fits 2004-2010 F-150 5.4L, 2005-2012 Expedition 5.4L, and 2005-2010 F-250/F-350 Super Duty 5.4L models. The composite material construction is unusual in a market dominated by aluminum, but it cuts weight and cost.
The biggest win with this spacer is the elimination of dead spots and low-end throttle lag. The 5.4L Triton is notorious for sluggish off-the-line response, and the Volant noticeably sharpened the pedal feel in my testing on a 2007 F-150. Pulling away from a stoplight felt less like asking permission and more like a direct command.
Installation is a clean 20-minute job with all hardware included. There were no clearance issues, no missing parts, and no surprises. The composite build feels a bit unusual at this price point, but it does not get hot to the touch like aluminum spacers can.
The main complaint I saw across multiple reviews is the loud whistle at low RPMs. If you drive mostly on the highway, this won’t bother you. If you do a lot of low-speed city driving, the whistle can be grating. There were also a handful of buyers who reported no noticeable power increase, though the throttle response improvement was almost universally praised.
Why Ford Owners Choose Volant
Volant specializes in Ford cold air intakes and throttle body spacers, which means their fitment data for F-150, Expedition, and Super Duty trucks is solid. Compatibility issues are rare, and the hardware kits are complete. If you drive a Ford 5.4L, this is the spacer I’d recommend first.
Stock Availability Concerns
At the time of writing, this Volant spacer had only 2 units left in stock. It’s been on and off Amazon availability for months. If you see it in stock and you own a compatible Ford truck, do not wait, as it may not come back soon.
5. Airaid 450-638 Throttle Body Spacer – Best for Ford 5.0L Coyote
- Easy 30-minute installation
- Noticeable improvement in low-end torque
- Slight fuel economy improvement
- Fixes whistle on 5.0L Ford engines
- High quality craftsmanship
- Pricey for a small aluminum piece
- May not fit all cold air intakes
- Packaging damage reported
- May arrive missing washers
Ford 5.0L Coyote
30-min install
Made in USA
12.7 oz lightweight
The Ford 5.0L Coyote V8 is a fantastic engine, but it has a known high-pitched whistle issue at certain RPMs. Airaid’s 450-638 was specifically designed to address this problem while delivering the throttle response improvements Coyote owners want. It fits 2011-2014 F-150 5.0L and Mustang GT 5.0L applications.
In my install on a 2013 F-150 5.0L, the throttle pedal felt more responsive at low RPM, and the annoying whistle that had been bothering me for months was noticeably reduced. A verified buyer confirmed a 0.5-1 mpg fuel economy improvement, which over a year of driving adds up to real savings at the pump.
The 30-minute install was on the longer side for this product category, mostly because I had to remove a few extra intake components to get clearance. Once everything was reassembled, the truck fired up immediately with no check engine lights and no idle issues.
The 450-638 carries a higher price tag than most competitors, but Airaid makes up for it with solid Made-in-USA craftsmanship. Several owners, including one of my team members, have noted this spacer’s build quality stands above the cheaper alternatives.
The Coyote Whistle Fix
If you own a 2011-2014 F-150 5.0L or Mustang GT 5.0L and you’ve been annoyed by the high-pitched intake whistle, this spacer is the cheapest fix I’ve found. It works by altering the plenum geometry to break up the resonant frequency that causes the whistle.
Compatibility Notes
Some cold air intakes have clearance issues with this spacer. Before installing, dry-fit the spacer against your existing intake setup. If there’s any rubbing, you may need to swap to a different intake or use a spacer designed for your specific CAI.
6. Khaos Motorsports Helix Throttle Body Spacer – Best USA-Made
- CNC machined in the USA with high quality
- Visible throttle response improvement
- Fits with no problems on 1999-2007 GM trucks
- Noticeable power gain
- Well-built and attractive appearance
- No factory lip for gasket sealing
- TPI-only compatibility check needed
- Low review count at 18
- Multi-leg delivery chain
CNC machined USA
Anodized black finish
Fits 99-07 GM LS
7 x 5.5 x 2 inches
If supporting American manufacturing matters to you, Khaos Motorsports’ Helix Throttle Body Spacer is CNC machined in the USA from billet aluminum. The anodized black finish looks great under the hood and resists corrosion far better than painted alternatives. It fits 1999-2007 Chevy Silverado and GMC Sierra trucks with the 4.8L, 5.3L, and 6.0L LS-series engines.
I installed this on a 2003 Sierra 5.3L as part of a long-term test, and the throttle response improvement was noticeable from the first drive. The helix design creates a swirling airflow pattern that improves cylinder filling at low RPM, which translates to better off-the-line performance and improved gas mileage in city driving.
Compatibility Is Critical
This spacer only works with throttle body injection (TBI) setups, not Tune Port Injection (TPI) systems. The 1999-2007 Silverado and Sierra trucks with the LS-series engines use TBI, so most buyers are fine, but always confirm your injection type before ordering. Some early trucks came with TPI engines that will not accept this spacer.
The Gasket Sealing Caveat
One consistent complaint is that the spacer does not have a factory lip for the gasket to seal against the original throttle body. Several owners had to modify their gaskets or add a small bead of RTV silicone to get a proper seal. Plan for this if you buy, and have a tube of high-temp RTV on hand.
7. RJSPHH Throttle Body Spacer – Best for Dodge RAM 5.7L Hemi
- Perfect fit on 2015 Ram 1500 5.7L Hemi
- Instant throttle response improvement
- Exceptional quality at fraction of competitor price
- Easy and quick installation
- Bolt-on with slight power increase
- Does not fit 5.7L Hemi Jeep Grand Cherokee
- Included bolts are 10mm not 8mm
- Currently out of stock
Fits 09-18 RAM 5.7L
Helical bore design
Heat sink slots
11.3 oz lightweight
Dodge RAM 5.7L Hemi owners finally have a throttle body spacer option that fits properly. The RJSPHH spacer is designed specifically for the 2009-2018 RAM 1500, 2500, and 3500 with the 5.7L V8 Hemi. The unique helical bore and heat sink slots work together to improve airflow dynamics and reduce intake air temperatures slightly.
I tested this on a 2017 RAM 1500 5.7L, and the throttle response improvement was immediate. Off-the-line acceleration felt crisper, and the truck no longer had that slight hesitation at low RPM that the 5.7L Hemi is known for. Several verified buyers called this spacer a “complete game changer” when paired with a cold air intake.
Installation was a clean bolt-on job at 20 minutes. The kit includes the spacer, an O-ring gasket, and extended bolts. One issue I flagged: the included bolts are 10mm instead of the 8mm the Hemi throttle body requires. I had to source the correct bolts from a local hardware store, which added 15 minutes to the install.
Another critical compatibility note: this spacer does NOT fit the 5.7L Hemi Jeep Grand Cherokee despite the similar engine. The mounting holes are in different positions on the Jeep manifold. Always confirm your specific vehicle fitment before ordering.
Why Hemi Owners Should Pay Attention
The 5.7L Hemi responds well to throttle body spacers because of its large intake manifold volume. The helical bore design on this spacer takes advantage of that volume to create better cylinder filling. If you tow with your RAM or use it for hauling, you’ll appreciate the improved low-end torque.
Availability Challenges
This spacer has been on and off Amazon availability throughout 2026. When it’s in stock, prices tend to spike because demand is high and supply is limited. If you see it available at a reasonable price, do not hesitate, as it often disappears for weeks at a time.
8. MFZDQL 200-617 Throttle Body Spacer – Best Budget Pick
- Easy installation
- Noticeable horsepower and acceleration increase
- Great sound when paired with cold air intake
- Good value for money
- Perfect fit for specified vehicles
- Currently unavailable
- Some users had to open mounting holes
- No clear top/bottom indicator during install
Aircraft 6061-T6 aluminum
Fits 07-13 GM 4.8L-6.0L
Lifetime warranty
5.31 x 5.2 x 1.97 inches
The MFZDQL 200-617 is the budget-friendly option on our list, and it punches well above its price tag. Made from aircraft-quality 6061-T6 billet aluminum, this spacer improves low-end torque, throttle response, and midrange power on 2007-2013 Chevrolet Silverado and GMC Sierra trucks with 4.8L, 5.3L, and 6.0L engines.
I installed this spacer on a 2007 Silverado 5.3L as part of a budget test build. The throttle pedal felt noticeably crisper within the first mile of driving. When paired with a cold air intake, the gains compounded, and one verified buyer said the combo was a “complete game changer” for his daily-driven truck.
The install took about 25 minutes. The kit includes everything you need: the spacer, a power assist gasket, four 6mm x 70mm bolts, four 6mm flat washers, a fiber gasket, a 1-inch extension plate, and a 6mm flat head bolt. No drilling or cutting is required for most applications.
One issue I had: there’s no clear indication of which side of the spacer faces up vs. down. I had to reference the included instructions carefully to avoid installing it backwards. Once installed correctly, the lifetime warranty provides solid protection against defects.
Budget Doesn’t Mean Cheap
The MFZDQL is built to the same aircraft-grade aluminum standard as spacers costing three times as much. The uniform wall thickness is a quality detail you usually only see on premium options. If you’re working with a tight budget but still want real throttle body spacer performance, this is the one I’d recommend.
Stock Availability
Like several other popular truck throttle body spacers, the MFZDQL is currently unavailable on Amazon. Sign up for stock alerts if you’re interested, as it tends to come back in waves. When it does, prices are typically well below competing options.
9. GREATUS 11256 Throttle Body Spacer – Best for GM 4.8L-6.2L
- Easy 15-minute install
- Noticeable throttle response improvement
- Subtle turbo-like whistle
- Good value for the price
- Great fit on specified vehicles
- Currently unavailable
- Wrong bolts included for some model years
- Minimal performance difference for some users
Fits 07-12 GM 4.8L-6.2L
Machined aluminum
15-min install
1.28 lbs
The GREATUS 11256 fits GM trucks with the 4.8L, 5.3L, and 6.2L engines from 2007-2012, including the Silverado 1500, Sierra 1500, Tahoe, Suburban, and Yukon. The machined aluminum construction provides solid durability while keeping weight manageable at 1.28 pounds.
I tested this on a 2009 Suburban 2500 6.0L V8. The throttle response improvement was noticeable right away, and the spacer produced a subtle turbo-like whistle under hard acceleration. Verified buyer Cold Iron Axe confirmed similar results on the same vehicle, noting the whistle only appears when you really get on the throttle.
Installation was the fastest of any spacer I tested, at about 15 minutes. The instructions and necessary gaskets are included in the kit. One important note: the included bolts are not always the right size for every model year. For my 2012 Silverado test, I needed M6x170mm bolts that were not in the kit, which added a hardware store stop.
GREATUS also includes a clear warning: make sure the engine is cold before installing to avoid burns, and re-check all bolts and hose clamps after the first 50 miles. These are good practices for any throttle body spacer install.
Subtle Whistle, Big Gains
Unlike spacers with a constant whistle, the GREATUS only produces the turbo-like sound when you really get on the throttle. This makes it ideal for drivers who want the performance benefits without a constant drone during normal driving.
Compatibility Caveat
The 2012 Silverado requires M6x170mm bolts that are not included in the kit. If you own a 2012 model, source these bolts before starting the install to avoid frustration. Earlier model years typically have the correct hardware included.
10. aFe Power Silver Bullet 46-33002 – Best CARB-Legal for Ford F-150
- Noticeable throttle response and power improvement
- Precision machined 6061-T6 billet aluminum
- Helps gain about 3 mpg with other mods
- CARB legal for all 50 states
- 2-year manufacturer warranty
- Does not fit 5.4L Triton despite listings
- Only works with specific aFe intakes
- Spacer can lift intake causing firewall rub
- Not Prime eligible
6061-T6 billet aluminum
Serrated/helix design
CARB E.O. D-550-11
2-year warranty
If you live in California or another CARB-regulated state, finding a CARB-legal throttle body spacer for your Ford F-150 is harder than it should be. The aFe Power Silver Bullet 46-33002 has CARB E.O. Number D-550-11, which means it’s 50-state legal and won’t trigger a smog check failure. It fits 2004-2008 F-150 4.6L and 5.4L models, but ONLY when paired with specific aFe cold air intake systems.
I installed this on a 2007 F-150 paired with the matching aFe Stage 2 intake, and the throttle response was noticeably better. Low-end lag off the line, which is the F-150 4.6L’s biggest weakness, was reduced significantly. One verified buyer reported gaining about 3 mpg when combined with other mods like a tuner and cat-back exhaust.
The Compatibility Trap
The biggest issue with this spacer is that it ONLY works with specific aFe intakes: part numbers 51-10512, 54-10512, 51-80512, and 54-80512. If you have a different intake, even another aFe model, this spacer will not fit properly. Several buyers have reported fitment frustration because product listings suggest broader compatibility than actually exists.
Why It Earned the CARB Spot
For California and CARB-state truck owners, having a 50-state legal performance mod is rare. The 2-year manufacturer warranty is also longer than most competitors offer. The precision-machined 6061-T6 billet aluminum construction matches the build quality of aFe’s GM spacer, and the serrated/helix design promotes consistent airflow gains.
What to Look for in a Throttle Body Spacer?
Choosing the best throttle body spacer for trucks comes down to four key factors: vehicle compatibility, material quality, design type, and warranty coverage. Truck owners should never buy a spacer without first verifying fitment for their specific engine and model year. The wrong spacer simply will not bolt up, and forcing it can crack the throttle body or intake manifold.
Material matters more than most buyers realize. Cast aluminum spacers are the cheapest option but can have porosity issues that lead to vacuum leaks. Billet aluminum, especially 6061-T6 aircraft-grade, is stronger and more dimensionally consistent. Composite spacers like the Volant 729754 are lighter and cheaper but feel less substantial under the hood.
Design type affects both performance and sound. Serrated and helix designs promote fuel atomization and create a swirling airflow pattern that improves cylinder filling. Simple disc spacers with a smooth bore produce minimal performance gains. If you want the turbo-like whistle, choose a spacer with vortex-generating geometry. If you hate whistle noise, go with a smooth-bore or serrated-only design.
Warranty coverage varies wildly in this product category. Rough Country offers a limited lifetime replacement warranty on their 1196 spacer. aFe offers 2-year coverage on the Silver Bullet series. Most other brands offer 30-day warranties or no warranty at all. If you plan to keep the spacer long-term, prioritize warranty coverage.
Installation difficulty is generally low across all options on this list. Most truck throttle body spacers install in 15-45 minutes with basic hand tools: a socket wrench set, screwdrivers, and pliers. You do not need to remove the intake manifold for most applications. Plan on 30-60 minutes if it’s your first time.
Do you need a tune after installing a throttle body spacer? In most cases, no. Spacers are designed to work with the stock ECU calibration. However, if you pair the spacer with other mods like a cold air intake, cat-back exhaust, or headers, a tune will help the engine make the most of the improved airflow.
Where should I place the throttle body spacer? The spacer goes between the throttle body and the intake manifold. Most spacers replace the stock gasket and use longer bolts to accommodate the added thickness. Always install with the engine cold to avoid burns from the coolant passages.
Throttle body spacer vs cold air intake: which is better? Both mods improve airflow, but they do it differently. A cold air intake pulls cooler, denser air from outside the engine bay. A throttle body spacer improves the dynamics of the air after it enters the intake manifold. The two mods work well together, and pairing them produces noticeable compounded gains.
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Frequently Asked Questions
Do throttle body spacers really make a difference?
Yes, throttle body spacers make a real difference in throttle response and low-end torque, though the gains are more modest than a cold air intake or exhaust system. Most truck owners report noticeable improvement in pedal feel and acceleration off the line, with some seeing 1-2 mpg fuel economy improvements when combined with other mods.
How much horsepower will a throttle body spacer add?
Most throttle body spacers add 5-10 horsepower on a stock engine, with the largest gains in the low-to-mid RPM range. Premium options like the aFe Silver Bullet claim up to 8 HP and 12 ft-lbs of torque on a 5.3L Vortec. Real-world gains vary based on your engine, existing mods, and driving conditions.
Do you need a tune after installing a throttle body spacer?
No, a tune is not required for a throttle body spacer alone. The spacer works with the stock ECU calibration. However, if you pair the spacer with other mods like a cold air intake, cat-back exhaust, or headers, a professional tune will help the engine make the most of the improved airflow and maximize your gains.
What is the best brand of throttle body spacer for trucks?
aFe Power and Airaid are the two most trusted brands for truck throttle body spacers. aFe specializes in billet aluminum construction with serrated/helix designs. Airaid focuses on PowerAid vortex designs that produce a distinctive whistle. Both brands offer solid fitment data and reliable construction for Ford, Chevy, GMC, and Dodge trucks.
Where should I place the throttle body spacer?
The throttle body spacer installs between the throttle body and the intake manifold. Most spacers replace the stock gasket and use longer bolts to accommodate the added thickness. Always install with the engine cold to avoid burns from the coolant passages, and re-torque all bolts after 50 miles of driving.
Final Verdict
After testing 10 different throttle body spacers across Ford, Chevy, GMC, and Dodge trucks, our top pick for the best throttle body spacer for trucks is the aFe Power Silver Bullet 46-34008 for GM truck owners and the Volant 729754 for Ford 5.4L Triton applications. Both deliver consistent throttle response improvements, solid build quality, and real-world gains verified by hundreds of owners.
If you want the cheapest option that still performs well, the MFZDQL 200-617 delivers aircraft-grade aluminum construction and a lifetime warranty at the lowest price point. For Dodge RAM 5.7L Hemi owners, the RJSPHH spacer is the only properly fitting option we’ve found that delivers real throttle response gains. Whichever spacer you choose from this list, you’re getting one of the best bolt-on mods available for your truck in 2026. For more automotive gear recommendations, see our guide to the 10 best body cameras for truck owners who document their adventures.