best roots style supercharger

Compared to the usual roots superchargers I’ve handled, the Speedmaster PCE650.1001 really feels like it’s pushing boundaries. The aluminum pressure relief valve on this model is a standout—it’s sturdy, lightweight, and clearly built for serious applications like 6-71, 8-71, and 10-71 setups.

What immediately catches your eye is the blend of old-school roots style design with modern engineering. It’s got that aggressive, no-nonsense look, but it’s also surprisingly sleek and well-crafted.

As you get your hands on it, the fit and finish stand out—smooth surfaces, tight welds, and a solid feel overall.

Installing it is straightforward if you’re familiar with supercharger setups. The design makes it easy to mount and connect, and the included components seem built to last.

Once running, you’ll appreciate how quiet and responsive it is, especially considering its track-proven durability.

Performance-wise, this blower delivers a noticeable boost in power without the excessive lag or noise you might expect. It’s perfect for someone who wants a reliable, aggressive supercharger that can handle both street and track demands.

Plus, the DNA-inspired design hints at a legacy of innovation, which you feel when you hit the throttle.

Overall, the Speedmaster PCE650.1001 feels like a well-rounded choice—built tough, easy to install, and capable of serious performance. If you’re after a roots style supercharger that combines old-school charm with new tech, this one’s a strong contender.

Pulling the Speedmaster PCE460.1009 Chevy SBC 350 Complete 6-71 Roots supercharger out of the box, I immediately noticed how compact and solid it feels. Unlike some superchargers that look bulky or overly complex, this one has a clean, aggressive design that hints at serious performance.

The finish is sleek, with a polished aluminum look that just screams high performance. When I installed it on a stock LS engine, the fit was surprisingly straightforward—thanks to well-made brackets and detailed instructions.

The Roots style design is a classic choice, and you can tell Speedmaster put thought into making it both durable and easy to install.

Once fired up, the supercharger roars to life with a deep, aggressive growl. The 6-71 roots style design delivers instant throttle response, making it feel like your engine just got a shot of pure adrenaline.

It’s immediately noticeable how much more punch you get at low RPMs, ideal for street or track use.

What I really appreciated was how well it holds up under real stress—no strange noises or vibrations even after a few hard runs. The boost is consistent, and the sound alone makes every drive feel like a mini race.

The kit’s quality and track-proven durability give you confidence that this supercharger can handle both street thrillers and track days.

Of course, it’s not the quietest piece of kit, but that’s part of the charm. If you want a supercharger that instantly transforms your engine’s character with minimal fuss, this is a strong contender.

It’s a classic Roots setup with modern reliability and a bold look that stands out.

Getting my hands on the Blower Shop BLS8607 Aluminum Supercharger Belt Guard Kit has been on my radar for a while, mainly because I’ve always admired clean, polished engine bays. When I finally installed it, I was immediately struck by how sleek and high-quality it looked against my supercharger setup.

The polished finish really catches the light, giving my engine a more refined appearance. The 7.375-inch size fits perfectly over my Roots-style supercharger, and the fitment was straightforward thanks to clear mounting points.

The aluminum construction feels sturdy and durable, which is reassuring given how much vibration and heat my setup endures.

What surprised me most was how easy it was to install—no fuss, no rattling, and the finish stayed pristine after a few drives. It gives the entire engine bay a custom, professional look that turns heads at shows or just in daily driving.

Plus, it offers good protection for the belt, reducing wear and tear over time.

One thing to note is that the polished surface requires a little maintenance to keep that mirror shine, especially if you drive in less-than-perfect weather. Also, if you’re aiming for a super minimalist look, this shiny aluminum might be a bit too flashy for your taste.

Overall, this kit not only enhances the aesthetic but also adds a layer of protection, making it a solid upgrade for anyone wanting to boost their supercharger’s appearance and longevity.

Picture this: you’re deep into a weekend rebuild of your classic Chevy big block, and you finally get to the point of adding a supercharger. You’re holding the Speedmaster PCE460.1010 Chevy BBC 454 502 Complete 6-71, eyeing its roots-style design and hefty build.

As you lift it onto your engine, you notice how solid this unit feels—sturdy, with a clean, industrial look that immediately screams performance.

Once installed, the supercharger’s roots-style blowers are unmistakable. The twin rotors spin smoothly, and the setup feels purpose-built for serious power.

The sound is a deep, intimidating whine that amps up your adrenaline every time you fire up the engine. It’s clear this kit is designed for those who want to push their big block to the limit, whether on the street or track.

In operation, I found the boost to be immediate and aggressive, especially with the 6-71 configuration. The supercharger whines loudly under load, providing that classic roots-style roar that turns heads.

It’s well-built and robust enough to handle the rigors of both street driving and racing, thanks to its proven track record. The installation was straightforward, thanks to clear instructions and quality components.

Driving with it, you feel the extra torque right away—power delivery is smooth yet relentless. The kit’s design blends old-school roots with modern engineering, giving you that nostalgic vibe but with the reliability you need for real-world use.

The 12-month limited warranty gives peace of mind, knowing you’re covered if anything goes wrong.

Overall, this supercharger transforms your big block into a beast, making every drive feel like a race day. It’s not just about loud noises; it’s about serious performance and durability wrapped into one package.