Volant 725253 Vortice Throttle Body Spacer 2007-2014 GM Chevy Truck SUV V8 4.8L 5.3L 6.0L 6.2L

The Volant Vortice Throttle Body Spacer 725253 is a bolt-on performance upgrade engineered specifically for 2007-2014 GM trucks and SUVs equipped with the 4.8L, 5.3L, 6.0L, and 6.2L V8 engines - including the Chevrolet Silverado 1500, GMC Sierra 1500, Tahoe, Suburban, Yukon, Yukon XL, Avalanche, and Cadillac Escalade on the GMT900 platform. The 1-inch thick glass-filled nylon composite spacer installs between the throttle body and intake manifold, using Volant's patented Vortice fin design to promote a helical vortex in the incoming air charge. The result is quicker throttle response, improved lower-end torque, and better fuel efficiency in most applications - no tune required, no cutting, no welding, and no permanent modifications to your truck.

Volant backs this spacer with a 1-year limited warranty covering manufacturing defects for the original purchaser. 46-State legal only - this product cannot be sold or used in California, Colorado, New York, or Maine.

How the Vortice Design Works

Factory intake manifolds deliver air in a straight shot - efficient for emissions compliance, but not optimized for combustion quality. The Vortice spacer uses small, angled internal fins machined into the 1-inch spacer bore to spin the incoming air into a helical vortex pattern before it enters the throttle body. This controlled turbulence accomplishes two things: it atomizes fuel droplets more thoroughly in port-injected setups, and it increases the air charge velocity at lower engine speeds, where the 4.8L, 5.3L, 6.0L, and 6.2L V8s spend the most time under load.

The practical effect on 2007-2014 GMT900 trucks is quicker pedal response right off idle - the kind of improvement that translates to better feel when pulling a trailer from a stop, merging at highway speeds, or working the truck hard at low RPM. Volant also notes improved fuel efficiency in most applications, as a more complete combustion event squeezes more energy from each injection event. No ECU recalibration is required after installation.

Glass-Filled Nylon Composite Construction

The 725253 is molded from a glass-filled nylon composite - the same class of engineering polymer used in under-hood components that must survive continuous heat cycling, vibration, coolant exposure, and oil vapor. Unlike aluminum billet spacers that can transfer heat back into the intake charge, the nylon composite acts as a thermal barrier between the hot intake manifold and the throttle body, helping keep incoming air as dense and cool as possible. The material will not corrode, crack, or deteriorate from exposure to fuel vapors, coolant, or road chemicals. It's also significantly lighter than machined metal spacers, adding almost nothing to underhood weight. The 4-bolt configuration mates directly to the GMT900 throttle body flange - the same bolt pattern used on all 2007-2014 Silverado 1500, Sierra 1500, Tahoe, Suburban, Yukon, and Escalade V8 applications covered by this spacer.

Important: State Restrictions - 46-State Legal Only

This product has NOT received CARB (California Air Resources Board) executive order certification and is NOT legal for sale or use in the following states:

• California (CA) - CARB certification required; this product does not hold a CARB EO number
• Colorado (CO) - Adopts California emissions standards
• New York (NY) - Adopts California emissions standards
• Maine (ME) - Adopts California emissions standards

Orders shipping to California, Colorado, New York, or Maine will be cancelled and refunded. If you live in one of these states, do not order this product. This restriction applies regardless of how the vehicle is registered or where it is primarily operated.

California residents: This product contains chemicals known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.

What's Included

• (1) Volant Vortice Throttle Body Spacer - 1 inch thick, glass-filled nylon composite, black
• (1) Gasket - installs between spacer and intake manifold
• (4) Longer mounting bolts - required to accommodate the added 1-inch spacer thickness
• (4) Washers
• Detailed installation instructions with pictures

No additional hardware purchases are required. The kit includes everything needed for a complete installation on covered GMT900 vehicles.

Fitment - 2007-2014 GM Trucks and SUVs (GMT900 Platform)

This spacer fits GMT900-platform GM trucks and SUVs with the 4-bolt throttle body configuration. This spacer does NOT fit the 2014 Chevrolet Silverado 1500 or 2014 GMC Sierra 1500 - those trucks moved to the new K2XX platform that year with a different throttle body bolt pattern. It also does not fit 2500HD or 3500HD trucks (different throttle body), non-V8 engines, or aftermarket large-bore throttle bodies. Verify your model year, engine, and throttle body configuration before ordering.

Full Specifications

Warranty and Factory Warranty Compliance

The Volant Vortice Throttle Body Spacer 725253 is backed by a 1-year limited warranty covering defects in materials or workmanship resulting from faulty manufacturing. The warranty is provided to the original purchaser only and does not cover damage from improper installation, racing use, or normal wear and tear.

Concerned about your GM factory powertrain warranty? Under the federal Magnuson-Moss Warranty Act, an aftermarket manufacturer or dealer cannot void your vehicle warranty simply because you installed an aftermarket part. They would need to prove that the specific aftermarket part directly caused the failure being claimed. The 725253 is a bolt-on, reversible add-on with no permanent modifications to your vehicle's engine, electronics, or drivetrain. It can be removed in the same 20-30 minutes it took to install if you ever need factory warranty service.

California residents: This product contains chemicals known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov. Additionally, this product is NOT legal for sale or use in California, Colorado, New York, or Maine.

Other Volant Vortice Throttle Body Spacers - Different Applications

The 725253 is part of Volant's full Vortice throttle body spacer lineup. If this part does not fit your vehicle, one of these sibling spacers may:

• 725153 - 1999-2007 Chevrolet/GMC Silverado/Sierra and GM SUVs with 4.8L/5.3L/6.0L/8.1L V8; 2003-2007 Hummer H2; 2004 Pontiac GTO (3-bolt throttle body, pre-GMT900)
• 726057 - 2009-2023 Dodge Ram 1500/2500/3500 with 5.7L or 6.4L V8
• 727636 - 2011-2026 Jeep Wrangler JK/JL 3.6L V6; 2011-2014 Dodge Durango 3.6L V6; 2011-2013 Challenger/Charger/Chrysler 300C 3.6L V6; 2011-2013 Jeep Grand Cherokee 3.6L V6
• 729754 - 2005-2010 Ford Expedition and Lincoln Navigator with 5.4L V8
• 729846 - 1999-2004 Ford Mustang GT and 2001 GT Bullitt with 4.6L V8
• 729850 - Nissan Titan and Armada with VK56 V8 (first generation)

Note: All Volant Vortice throttle body spacers carry an MSRP of $71.90 and use the same glass-filled nylon composite Vortice design. The only differences are bolt pattern, bore size, and vehicle-specific fitment.

Installation Overview

The 725253 installs in approximately 20-30 minutes with basic hand tools. No welding, no cutting, no drilling, and no ECU tune are required. The spacer uses the factory throttle body locating pins and the four supplied longer bolts replace the OEM hardware - the extra bolt length accounts for the added 1-inch spacer thickness.

• Tools needed: 10mm socket and ratchet with extension, flathead screwdriver
• Disconnect the negative battery cable before beginning
• Remove engine cover if equipped (10mm bolts)
• Loosen air intake tube clamp at throttle body and slide back
• Remove the 4 factory 10mm bolts securing the throttle body remove throttle body
• Clean mating surfaces on throttle body and intake manifold
• Orient spacer so the labeled throttle body side faces up place gasket on intake manifold side
• Set spacer onto manifold using factory locating pins; reinstall throttle body
• Install supplied longer bolts and washers torque evenly in cross pattern
• Reconnect intake tube - the air tube may need to slide further onto the throttle body to compensate for the added inch; a small coupler adapter may be included in some kit variants
• Reconnect battery, start engine, and inspect all connections for leaks or loose fittings

The 725253 is fully reversible. All factory components are retained and can be reinstalled without any modifications. Compatible with both the factory air box and Volant cold air intake systems.

About Volant Performance

Volant Performance is a California-based manufacturer of air intake and airflow management products, operating under the Holley Performance Products family of brands. Volant's Vortice throttle body spacers represent their vehicle-specific approach to improving inlet air quality and combustion efficiency without requiring engine modifications, tuning, or intrusive installation. The 725253 is designed from the ground up for the GMT900-platform GM truck and SUV, using geometry specific to the 4-bolt throttle body flange used across the Silverado, Sierra, Tahoe, Suburban, Yukon, Avalanche, and Escalade applications covered by this fitment.

Frequently Asked Questions

What vehicles does the VOL725253 fit exactly?
This spacer fits 2007-2013 Chevrolet Silverado 1500 and GMC Sierra 1500 with the 4.8L, 5.3L, 6.0L, or 6.2L V8; 2007-2014 Chevrolet Tahoe, Suburban 1500, Suburban 2500, and GMC Yukon, Yukon XL, Yukon Denali, Yukon XL 2500, and Yukon Denali XL; 2007-2014 Cadillac Escalade and Escalade ESV; 2007-2013 Cadillac Escalade EXT; and 2007-2013 Chevrolet Avalanche 1500. All covered vehicles must have the 4.8L, 5.3L, 6.0L, or 6.2L V8 engine with the 4-bolt electronic throttle body.

Does the VOL725253 fit a 2014 Silverado 1500 or 2014 Sierra 1500?
No. The 2014 Silverado 1500 and 2014 Sierra 1500 moved to the new K2XX platform with a redesigned throttle body bolt pattern. The 725253 is specifically engineered for the GMT900 4-bolt configuration used through 2013 on those trucks. The 2014 Tahoe, Suburban, Yukon, and Escalade remained on the GMT900 platform and are covered.

Will this spacer fit my 2500HD or 3500HD truck?
No. The 2500HD and 3500HD Silverado and Sierra use a different throttle body than the 1500-series trucks covered by this spacer. The 725253 is designed specifically for the throttle body bore and bolt pattern found on 1500-series GMT900 trucks and SUVs. It will not properly seat on HD truck throttle bodies.

Is this throttle body spacer legal in my state?
The 725253 is 46-state legal. It is NOT legal for sale or use in California, Colorado, New York, or Maine, which enforce CARB (California Air Resources Board) emissions standards requiring specific executive order certification for intake-side modifications. This product does not hold a CARB EO number. Orders to these four states will be cancelled. If you are in one of these states, do not order this product.

Will the 725253 void my GM factory warranty?
Under the federal Magnuson-Moss Warranty Act, an aftermarket part cannot void your factory warranty unless the manufacturer or dealer can prove the specific part directly caused the failure being claimed. The 725253 is a reversible, bolt-on spacer that makes no permanent modifications to your engine, fuel system, or electronics. It does not require a tune, does not alter factory calibrations, and can be uninstalled in under 30 minutes. That said, if you have active dealer disputes or are within a powertrain warranty claim, consult with your dealership before installing any aftermarket part.

Does this throttle body spacer require an ECU tune after installation?
No tune is required. This spacer is a passive airflow device it creates a vortex in the incoming air charge without altering fuel maps, throttle body position sensors, or any electronic parameters. Your truck's ECM will operate exactly as it did from the factory. The throttle position sensor and all related wiring remain on the throttle body and move with it during installation.

What performance improvements can I expect from the Volant Vortice spacer?
Volant makes no specific horsepower or torque number claims for the 725253 on GM applications. Their stated benefits are quicker throttle response, improved lower-end torque, and better fuel efficiency in most applications. The Vortice fin design improves air charge quality by creating controlled turbulence that promotes more complete mixing. Real-world results vary based on vehicle condition, fuel quality, and any other modifications present. Think of this as a feel-good improvement in throttle response and daily drivability rather than a peak-power modification.

Will this spacer work with my cold air intake or aftermarket air tube?
Yes. Volant states the 725253 is compatible with both the factory air box setup and Volant cold air intake systems. For other aftermarket intake tubes, the primary consideration is that the intake tube connection to the throttle body moves forward by 1 inch after spacer installation. Most flexible intake tubes can slide the extra inch, or a short coupler adapter can bridge the gap. The spacer itself only fits the stock throttle body bore and bolt pattern it is not compatible with aftermarket large-bore or ported throttle bodies.

What's in the box with the Vortice throttle body spacer?
The kit includes one 1-inch Volant Vortice Throttle Body Spacer in black glass-filled nylon composite, one intake manifold gasket, four longer mounting bolts, four washers, and a set of installation instructions with pictures. No additional hardware is needed for installation on covered GMT900 vehicles.

How long does installation take and what tools do I need?
Most installs take 20-30 minutes. You need a 10mm socket with ratchet and extension, a flathead screwdriver for the intake clamp, and optionally a torque wrench for the final bolt tightening. No lift is required the throttle body is accessible from the top of the engine bay on all covered vehicles.