Best Southwest Speed in 2026

After weeks of navigating bumpy backroads and heavy hauls, the difference these Bilstein 5100 series monotube shocks make in a heavy-duty truck is undeniable. This complete four-piece set provides a massive upgrade in stability for Chevy Silverado and GMC Sierra 1500HD, 2500, and 3500 models. Designed specifically for those running a slight lift—up to 3 inches in the front and 1.5 inches in the rear—these high gas pressure absorbers smooth out the harshness that often plagues lifted pickups. The 46mm diameter construction ensures robust performance, whether you are driving a base trim or a high-end LTZ. It is a specialized solution for owners looking to maintain control without sacrificing the ruggedness required for heavy-duty work.

You might wonder if a lightweight steel box can actually handle the brutal vibrations of a drag strip, but this Southwest Speed unit is purpose-built for exactly that kind of abuse. After testing the fitment, the standout feature is clearly the adjustable bolt-on design, which lets you dial in the positioning on your frame perfectly rather than being stuck with a static mounting point. The internal dimensions of 11 inches wide by 7 1/8 inches deep provide a focused footprint that saves weight without sacrificing stability. It arrives as a complete kit with an aluminum clamp bar, j-bolts, and jam nuts, making the installation process straightforward for racers looking to shave pounds off their build while keeping their electrical components secure.

You might doubt whether a modern carburetor can actually improve a classic street setup, but the Street Demon is designed to silence those skeptics. This 625 CFM unit focuses on delivering a stable idle and incredibly crisp throttle response that makes driving much more engaging. The triple stack booster and vacuum secondaries ensure smooth power delivery without the sudden surges often found in lesser models. I love that it features an electric choke for easier cold starts and a shiny aluminum finish that looks premium under the hood. Because it uses a square bore flange, it swaps easily into most standard setups, though you should keep an adapter in mind if you are running a spreadbore manifold. It is a straightforward, high-performance upgrade that prioritizes drivability.

Drag racers and serious performance builders demand weight savings without sacrificing structural integrity, and this Southwest Speed battery box delivers exactly that. I was particularly impressed by how the adjustable bolt-on design simplifies the installation process, allowing you to fine-tune the placement directly on your frame for a perfect fit. The lightweight steel construction keeps the mass down, which is critical when every ounce counts on the track. It arrives as a complete kit, so you aren't scrambling for extra parts. It includes the aluminum clamp bar, J-bolts, and jam nuts right in the box. With interior dimensions of 7 1/8" deep and 9" wide, it provides a secure, compact housing for your battery that feels purpose-built for high-intensity racing environments.

Budget-conscious gearheads who refuse to sacrifice raw performance for a flashy box need the Holley Quick Fuel Brawler in their engine bay. This 650 CFM 4150 model delivers serious, bare-knuckled power through its mechanical secondaries and lightweight diecast aluminum construction. What really impressed me is how it prioritizes functional engineering, like the dual inlet fuel bowls with sight glass windows that make float adjustments incredibly easy and safe. You get high-end tunability with four-corner idle adjustment and an electric choke that takes the headache out of cold starts. It is a craftsman-assembled, USA-made unit that focuses on modern air/fuel calibrations for today's street engines rather than just looking pretty on a shelf.

Why settle for a boring factory stick when you can transform your cockpit into a professional drag strip setup? The B&M Quicksilver Shifter isn't just a functional upgrade. It is a complete aesthetic overhaul for your interior. The sleek black PVD coating on the bezel, stick, and knob provides a sophisticated, modern look that blends seamlessly with most custom consoles. Beyond the looks, it is built for serious performance, featuring a reverse lockout that meets NHRA and IHRA safety standards. I love that it handles the heavy lifting of installation too, coming with a five-foot performance cable and all necessary hardware. Whether you are running a GM 4L60E or a Mopar A904, this ratchet mechanism delivers that crisp, mechanical feel every enthusiast craves.

Why settle for uneven traction when your Jeep is fighting for grip on the rocks? The RockJock Antirock Front Sway Bar Kit is a serious upgrade for 1997-2006 TJ and LJ Wrangler owners looking to balance suspension performance during heavy off-road use. Built from SAE 4130 heat-treated steel, this kit mirrors the durability found in professional competition setups. It replaces your stock bar by mounting through the front cross member, allowing you to keep it connected even in technical terrain to distribute weight across all four tires. While you will notice increased body roll compared to a factory setup, the trade-off is a massive boost in off-road stability. It arrives as a complete package with all necessary bushings and hardware for a straightforward installation.

You are deep into a weekend engine swap or steering rack rebuild, and that old, worn-out universal joint is the one thing standing between you and a smooth test drive. This Southwest Speed joint is a heavy-duty lifesaver designed specifically for high-horsepower builds and racing environments where vibration is a constant threat. It features high-strength needle bearings and a rugged black oxide finish that can handle serious abuse. With a 3/4-inch 30-spline connection on one side and a 3/4-inch smooth shaft for welding on the other, it offers the versatility needed for custom steering setups. Just remember to keep your working angle at or below 30 degrees to maintain structural integrity, or consider adding an additional joint to manage the stress safely.

You are staring at a custom hot rod chassis with a gap that won't bridge with any off-the-shelf part. This is exactly where the Southwest Speed steel driveshaft saves the day for builders. Instead of hunting for a generic fit, you can order a precision-balanced shaft in half-inch increments ranging from 27 to 69 inches. It arrives ready to work, featuring a 27 spline slip spline yoke and 1310 series u-joints right out of the box. Because the length is measured center-to-center on the u-joint cups, the fitment is incredibly predictable. It is a professional-grade component that has earned its reputation on both the drag strip and the street, making it a reliable choice for anyone building a serious performance machine.

Standard Jeep sway bars often kill your traction by preventing wheel articulation during technical crawls. The RockJock Antirock kit solves this by replacing your factory setup with a high-strength SAE 4130 heat-treated steel system designed to balance weight distribution across all four tires. I love that this kit is a complete overhaul, including powder-coated steel arms, frame brackets, and adjustable heim jointed links that bolt right into your existing frame holes. While you should expect significantly more body roll on the pavement compared to a stock ride, the off-road performance gains are massive. You won't even need to disconnect the bar to navigate rugged terrain, making it a much more convenient solution for serious enthusiasts.

The MSD Digital 6AL stands as the gold standard for performance enthusiasts seeking uncompromising ignition reliability. This isn't just a standard upgrade. It is a microprocessor-driven powerhouse that delivers over 530 volts and up to 135mJ of spark energy to your coil. I love how the designers prioritized usability by placing the rev limiter dials right on top of the housing, allowing you to fine-tune your 11,000 RPM range in precise 100 RPM increments. The wiring is incredibly tidy thanks to the sealed, locking connector, and the inclusion of vibration mounts ensures the unit survives even the most aggressive driving. Whether you are running a 4, 6, or 8-cylinder engine, this box provides the massive spark energy needed to extract real power without draining your electrical system.

Most people assume a shifter is just a way to change gears, but the B&M Star Shifter actually transforms your entire cockpit into a drag strip experience. This dual-action unit gives you the best of both worlds: a standard straight-line detent for daily driving and a high-performance ratcheting function for when you need to drop into gear with precision. I love how the polished aluminum T-handle and accordion-style boot lean heavily into that classic racing heritage. It’s a complete kit, too, coming with a five-foot cable and a trim-to-fit black console that makes home installation much less intimidating. Whether you are running a Chrysler Torqueflite, a Ford C-series, or a GM 3-speed, this shifter brings a professional, race-ready aesthetic to your interior.

Most performance enthusiasts assume that a flashy, shiny finish means sacrificing functional utility, but this Brawler diecast carburetor proves that aesthetics and street performance can actually coexist. The new side-hung bowl design is a massive win for anyone looking for a clean, bolt-on installation because it simplifies everything down to a single fuel line connection. I love how versatile the throttle levers are. Whether you are running a Ford A/T kickdown or a GM 700 R4, it handles the mounting without a headache. With 650 CFM and mechanical secondaries, it delivers that crisp, responsive throttle feel that makes a street machine feel alive. It is a high-quality aluminum piece that looks as good under the hood as it performs on the pavement.

Inconsistent fuel delivery can ruin a high-performance street or strip build, but this Holley electric pump provides the steady, non-pulsating flow needed to keep your carbureted engine running smoothly. I was impressed by the tumble polished billet look and the smart design of the lower housing, which is specifically engineered to enhance flow. It moves 97 GPH at free flow and maintains a solid 71 GPH at 4 PSI, all without requiring a regulator. The rotor/vane design is a huge plus because it handles contaminated fuels much better than standard pumps. While it is strictly for gasoline and not meant for fuel injection or aircraft, the inclusion of a mounting bracket and the availability of repair kits make it a practical, long-term solution for enthusiasts. It is a lightweight, 2.88 lb powerhouse that delivers reliable performance.

Most enthusiasts settle for standard, plain-looking carburetors that prioritize function over flair, but the Southwest Speed Brawler Street changes the game by merging high-end aesthetics with serious performance. This 650 CFM 4150 model features a striking red billet and black finish that instantly elevates an engine bay. Beyond the looks, it is built for precision, utilizing red billet metering blocks and throttle bodies to ensure superior durability and shaft stability. You get the same out-of-the-box reliability Brawler is known for, paired with premium tunability like an electric choke and 4-corner idle adjustment. It is a sophisticated choice for anyone needing modern air/fuel calibration for street or race demands without sacrificing that classic mechanical secondary feel.

Your weekend cruise through winding canyon roads just got a massive performance boost. This Holley 4160 series carburetor is the perfect middle ground for anyone running a stock to mildly modified engine that needs more breathing room. The 750 CFM airflow provides plenty of punch, while the vacuum secondaries ensure the power delivery stays smooth rather than jerky, regardless of your vehicle's gearing or transmission. I love that it features a vibratory polished shiny finish, so it actually looks as good as it performs under the hood. The electric choke makes those chilly morning startups effortless, and the dual feed fuel inlets mean you won't be starving the engine during high-volume demands. It arrives wet-flow tested and ready to run right out of the box.

The heavy, tactile click of the stainless steel shift pin provides an immediate sense of mechanical precision the moment you grab the black B&M logo knob. This Pro Gate shifter isn't some flimsy interior accessory. It is a rugged, race-ready component built from 10-gauge 304 stainless steel. I was particularly impressed by the staggered 4-speed forward shift pattern, which offers positive stops between every gear to prevent accidental misses. The external gate plate is incredibly durable, and the injection-molded nylon side covers are designed to stay clean even in grit-heavy environments. With the included five-foot Super Duty race cable and a rear exit design, the installation process feels straightforward and professional for any GM 4-speed setup.

You are sitting in the driver's seat of your classic GM muscle car, waiting for the light to turn green before slamming through the gears with absolute precision. This B&M Pro Gate shifter is built specifically for that kind of high-stakes performance, offering an externally gated race design that eliminates the guesswork of shifting. The construction is incredibly rugged, utilizing a 10-gauge 304 stainless steel base and a heavy-duty shift pin to ensure everything stays rock solid under pressure. I particularly like the staggered forward shift pattern and the positive stops, which provide tactile feedback that standard shifters just can't match. With the included five-foot super duty race cable and removable nylon side covers that won't gum up with dirt, this setup is as practical for the track as it is durable for the street.

Most builders settle for clunky, heavy factory pedal setups that lack precision, but this Wilwood reverse swing mount assembly changes the entire ergonomics of your footwell. I found the ladder-style construction particularly impressive. The combination of an all-aluminum frame and forged aluminum arms keeps the unit incredibly lightweight without sacrificing structural integrity. Whether you are configuring this as a clutch pedal with a single outlet master cylinder or a brake pedal using a tandem setup, the 6:1 pedal ratio provides a highly responsive feel. The standout feature for me is the new waffle-style adjustable pedal pads, which allow you to fine-tune your exact foot positioning and clearance. It is a professional-grade solution that makes mounting straightforward and customization effortless.

Is your vintage Toyota losing its battle against bumpy backroads and heavy cargo? This complete set of Bilstein 4600 Series monotube shocks is the definitive way to restore that factory-plus handling to your 4WD pickup or 4Runner. Whether you are driving a base model or a loaded SR5, these 46mm dampers are engineered to provide a smooth, gliding sensation over uneven surfaces without sacrificing the control you need for work equipment or passengers. It is arguably the most cost-effective way to extend the service life of your classic drivetrain while upgrading your ride quality. Instead of feeling every pothole, you get a refined, stable experience that makes driving an older 86-95 Toyota feel remarkably modern and secure.

Most racers focus on pad compounds, yet the real secret to consistent stopping power lies in the volume of fluid your master cylinders can actually hold. This Southwest Speed kit solves the common problem of fluid depletion during long, high-wear sessions by offering a massive 8.2-ounce capacity—roughly 26% more than most competitors. The all-aluminum pedal assembly feels incredibly robust, utilizing steel pivots and an anti-skid pad for a tactile, controlled feel. I particularly like the versatility of the balance bar. You can lock it down with a jam nut or hook up a remote cable for those rapid-fire, on-track bias adjustments. It is a precision-engineered setup that prioritizes thermal management and driver control when the heat is on.

Serious performance enthusiasts who demand uncompromising engine protection and massive spark energy need the MSD 6AL in their engine bay. This isn't just a basic upgrade. It utilizes an internal microprocessor to monitor every single firing, delivering a staggering 530 volts and 135mJ of energy to your coil. I love how practical the design is, especially with the rev limiter dials sitting right on top for quick adjustments in 100 RPM increments. The wiring is a dream for anyone who hates a messy engine bay, as everything exits through a single, sealed, and locking connector. Whether you are running a 4, 6, or 8-cylinder setup, this unit provides a massive power boost while drawing less current than traditional systems.

Precision fuel delivery is the backbone of a reliable carburetor setup, and this Southwest Speed Holley regulator delivers exactly that with a high-end aesthetic. I found that the adjustable range of 4.5 to 9 PSI provides the fine-tuned control necessary to prevent needle and seat overloading, which is a common culprit for flooding and drivability issues. The shiny chrome finish on the aluminum body isn't just for show. It adds a professional, polished look to any engine bay. Installation is straightforward thanks to the included mounting bracket and the standard 3/8" NPT inlet and outlet ports. Since these come pre-set from the factory, you can skip the initial guesswork and get straight to tuning your engine's specific requirements.

The Holley Brawler 750 CFM is a top-tier contender for racers who demand high-end tunability without the astronomical price tag of professional-grade racing units. This third-phase iteration looks incredible with its black coated finish and striking red billet metering blocks, but the real magic is under the hood. It utilizes lightweight aluminum components and advanced air/fuel calibrations to handle both aggressive street driving and heavy track use. I love that it includes mechanical secondaries and dual inlet fuel bowls featuring sight glass windows, which makes adjusting your floats a much safer, more visual process. With changeable air bleeds and four-corner idle adjustment, you have the precision tools necessary to dial in your engine perfectly.

Junior dragster racers and serious karting enthusiasts demand uncompromising stopping power without the penalty of excess weight. This Wilwood kit delivers exactly that by pairing a featherweight 1.2 lb caliper with a high-friction pad set designed specifically for 1/8" rotors. The inclusion of a 1/2" bore aluminum master cylinder is a game-changer. It weighs just over half a pound and features an adjustable lever ratio to fine-tune your feel. I particularly value the thoughtful inclusion of the 90-degree fitting, which prevents line kinking in tight chassis configurations. With five feet of nylon tubing and a remote reservoir for easy fluid monitoring, this setup provides a professional-grade plumbing solution that makes installation straightforward and reliable for competitive racing.

Street engines often struggle to find that sweet spot between budget-friendly pricing and the high-end air/fuel calibration required for modern driving. This Brawler diecast carburetor solves that dilemma by stripping away the expensive packaging to focus entirely on raw, bare-knuckled performance. I love that it features dual inlet fuel bowls with integrated sight glass windows, which makes adjusting your floats much safer and more intuitive. Since it is machined and assembled by craftsmen in the USA using lightweight diecast aluminum, the build quality feels substantial. The electric choke is a massive win for cold starts, and the four-corner idle adjustment provides the granular tunability usually reserved for much pricier units. It is a workhorse designed for drivers who prioritize reliable power over a fancy box.

Most builders settle for standard vacuum secondaries that lag during hard acceleration, but this Holley Double Pumper is built specifically to eliminate that hesitation. This 650 CFM 4150 model is a dream for lightweight builds, especially if you are running a manual transmission or a high-stall automatic with low rear-end gears. The dual accelerator pumps provide an immediate surge of fuel the moment you hit the pedal, while the mechanical secondaries ensure your power delivery stays aggressive. I love that it comes with an electric choke for effortless cold starts and features a striking shiny aluminum finish that looks incredible under a hood. Since it is 100% wet-flow tested and comes with street/strip calibration right out of the box, you can spend less time tuning and more time driving.

The Wilwood GP310 Brake Caliper delivers serious stopping power through its robust four-piston design. If you are riding a Harley Davidson from the 1984 to 1999 era, this left-hand mount component is a precision upgrade for your front end. It is specifically engineered to pair with 11.5-inch diameter rotors that have a .250-inch thickness, ensuring a perfect fit for vintage builds. The black powder coating isn't just about aesthetics. It provides a durable, professional finish that stands up to road debris. Using four 1.25-inch pistons, this caliper provides the consistent, firm modulation that riders crave when navigating tight corners or heavy traffic. It is a reliable, high-performance piece of hardware for anyone looking to modernize their braking feel.

The striking contrast of the red billet metering blocks against the black finish immediately draws the eye under the hood. This Brawler Street carburetor isn't just about that aggressive aesthetic. It brings serious performance to the table with its 750 CFM capacity and mechanical secondaries. I was particularly impressed by the build quality, specifically the red billet throttle bodies that provide much-needed shaft stability and long-term durability. It packs high-end tunability usually reserved for much pricier units, offering an electric choke and 4-corner idle adjustment for precise control. Whether you are prepping for a weekend cruise or a local drag strip, the modern air/fuel calibrations ensure your engine responds exactly how you want it to.