Full Size Light Bar Sizes: 36 to 75 Inches

Five lengths cover the range, and the number in each model name is the nominal bar length:

• 36 inch: The shortest full size bar, for narrower roofs and vehicles where a full-width bar will not fit.
• 47 inch: The most common size on patrol sedans and SUVs, and the bar that fits where a 44- to 49-inch light bar is specified.
• 55 inch: A wider bar for full-size SUVs and trucks, with more modules across the face.
• 65 inch: Built for the wide cab roofs found on heavy trucks.
• 75 inch: The longest bar in the range, for the widest roofs and the highest module count.

TIR optics are available across all five lengths, while the MultiColor Linear series covers the 36-, 47-, and 55-inch bars. If a full-width bar is more than the roof can take, our mini light bars run from 14 to 27 inches on magnet feet.

Quality Full Light Bars: Options for Every Situation

Our TIR Series LED Light Bars are engineered to add powerful focus for a rifle-like concentration and are ideal for intense lighting applications. These light bar optics are so powerful that they can even go through dark tint!

If you are looking for our most powerful and versatile light bars, check out the Linear Series LED Light Bars that contain 12 LEDs per module, compared with the TIR Series with 6 LEDs per module. This is our enhanced MultiColor model with more functionalities and brightness. Plus, the benefit of the additional lighting is an increase in distance visibility due to the magnified linear optic design.

Are you shopping for amber warning lights and looking for the best balance of performance and pricing? The Tow Series Light Bars offer durability and affordability. They have optional built-in front, rear, and side 3 Watt LED work lights, which are ideal for adding illumination to your Tow vehicle.

Specialty Full Size Models

Three variants add functions on top of the standard bar:

• Stop/Tail/Turn: A 47-inch TIR bar with brake, tail, and turn signal functions built into the rear, which puts those signals at roof height where a loaded bed or trailer cannot hide them.
• Super Takedown: A 47-inch TIR bar with all-white takedown output, so the same bar covers both warning patterns and scene lighting ahead of the vehicle.
• Tow Series: 55- and 65-inch bars that add a built-in amber arrow stick, rear work lights, and stop/tail/turn, which is why they also sit in our tow truck light bars range.

Full LED Light Bars for any Vehicle

At SpeedTech Lights, we are proud to offer a wide variety of full-size roof-mount LED light bar options, making us one of the leading providers of full-size light bars for emergency vehicles, tow trucks, construction vehicles, and more. These full light bars are an important aspect of an emergency vehicle's lighting build due to the 360-degree visibility they provide to capture drivers' attention on the roads.

Your satisfaction is our priority, and every member of our staff is knowledgeable about the features and technology that are available. For more information about the options that we offer, contact our customer service team any time!

Choosing a Bar for Your Roof

Roof width sets the limit rather than the class of vehicle:

• Measure the flat span: The bar feet need a solid landing at both ends, so measure the usable flat area rather than the full width of the roof.
• Check the curvature: A steeply curved roof can leave a gap under the center of a long bar, which puts load on the feet rather than along the base.
• Platform-specific brackets: Our mounting brackets are cut for individual vehicles, which gives a flush fit with no flex.

A bar that overhangs the flat area will flex and can leak at the feet, so err toward the shorter size if you are between two lengths. The feet are adjustable along a track so you can move the bar as necessary to make sure the feet sit on the flat area.

MultiColor LED Full Size Light Bars - Dual/Tri/Quad Color Flashing Configurations

Our MultiColor models of the K-Force® Linear series LED full-size roof-mounted light bars are better and brighter than ever with a variety of flash patterns that feature both MultiColor flash mode and single color A or B flash mode. The MultiColor functionality of this bar allows both the left and right sides to flash different colors in the same module based on your order, giving you true MultiColor flashing functionality while also giving you a variety of flash patterns in single color mode A or B. You can even switch between which color you need to use at that time, giving you the best of both worlds.

With our multicolor models, having clear as your secondary color gives you an extra benefit of the steady burn override Super Take Down® effect. This means when you activate your steady burn override shortcut, your secondary color will stay on without a flashing pattern. So, if your secondary color is clear, you get an all-white steady burn illumination.

You can also run amber as your secondary color or amber/clear, giving you the option to run emergency or law enforcement colors in certain patterns, or amber warning colors in other patterns. This gives you advanced flexibility, allowing you to run certain colors one day, and other colors the next, as needed. And of course, you can run all colors in multicolor flashing mode as well!

Shop In-Stock Full Size Light Bars

Every full size light bar for sale on this page is stocked in-house in Texas for 1-2 day processing. We offer a full range of products, including full size emergency light bars for police, fire, EMS, tow, and construction fleets. Every product carries a 5-year warranty, and municipal fleets buying on government purchase orders get agency terms and net billing.

🛒 Shop Full Size Light Bars at SpeedTech Lights

SpeedTech Lights carries K-Force Elite full size light bars from 36 to 75 inches in TIR and MultiColor Linear optics, plus Stop/Tail/Turn, Super Takedown, and Tow Series models with a built-in arrow stick and rear work lights. All bars carry Dual Memory. All products are stocked in-house for 1-2 day processing. BBB A+ Rated. Free shipping on orders $100+. Government purchase orders accepted.

Call (800) 757-2581  |  Mon-Fri, 9:00am-4:00pm CST  |  [email protected]

Frequently Asked Questions About Full Size Light Bars

What type of full size light bar do I need?

The size you need depends on the flat span of your roof rather than the class of vehicle. A 36-inch bar suits narrower roofs, 47 inch is the most common fit on patrol sedans and SUVs, and 55-, 65-, and 75-inch bars cover progressively wider truck cabs. Measure the usable flat area before ordering, because the feet need a solid landing at both ends.

Do you have a 48-inch light bar?

The closest size we carry is the 47-inch K-Force Elite, which fits the roof positions a 48-inch light bar is usually specified for. Light bar lengths are not standardized across manufacturers, so a 47-inch bar and a 48-inch bar from different brands generally mount in the same place. Measure the flat span on your roof to confirm.

What is the difference between TIR and Linear full size bars?

TIR Series bars focus each LED into a concentrated beam for maximum intensity at a distance, and that focused output also carries through dark window tint. Linear Series bars use 12 LEDs per module, compared to 6 on the TIR, spread across a magnified lens for an even face and greater distance visibility. The Linear Series is also the one that carries the MultiColor configurations.

What is a Stop/Tail/Turn light bar?

A Stop/Tail/Turn light bar has brake, tail, and turn signal functions built into the rear of the bar itself. Putting those signals at roof height keeps them visible when a loaded bed, a trailer, or equipment blocks the factory lights from view, which is why this option is popular on work and recovery vehicles.

Can a full size light bar also do takedown lighting?

Yes, the Super Takedown model adds all-white takedown output to the same bar. Activating the steady burn override switches the secondary color to steady white, so one bar covers both warning patterns and scene lighting ahead of the vehicle without fitting a separate unit.

Which full size bars come in amber?

Amber is available across the full size range and is the standard color for tow, utility, and construction vehicles. The Tow Series bars are built around it, with optional front, rear, and side work lights alongside the amber warning output. MultiColor models can also run amber as a secondary color.