10 Best Supercharger for LS1 Reviews

You’ve got that LS1 under the hood, and you know it’s capable of so much more. Maybe you’re chasing that instant throttle response, the sound of a blower whining under load, or just the raw thrill of doubling your horsepower. But with so many supercharger options out there—roots, turbo, centrifugal—it’s easy to get lost in the specs and start wondering which kit actually fits your engine, your budget, and your goals.

This guide cuts through the noise. We’ve rounded up ten essential products—from complete supercharger kits to crucial oil feed lines and adapters—that’ll help you boost your LS1 the right way. Whether you’re building a street monster or a track-ready machine, you’ll find the components that match your build. Let’s get you the boost you deserve.

Speedmaster 6-71 Roots Supercharger Kit – Complete Bolt-On Boost

If you want that classic roots-style whine and instant power, the Speedmaster 6-71 kit is a no-brainer. It’s a complete setup—supercharger, intake manifold, snout, Gilmer pulleys, belt, and all gaskets—so you’re not chasing random parts. The double-pinned three-lobe rotors are factory-timed, and the heavy-duty bearing plates mean it can handle sustained boost without breaking a sweat.

You’ll get a claimed 45-55% horsepower increase, which on a stock LS1 could be well over 150 extra horses. The carb adapter accepts dual 600-850 cfm four-barrels, so you can dial in your fuel curve. Just make sure your rotating assembly is up to the task if you plan sustained race use. It’s a straightforward installation for anyone comfortable with a weekend wrench session.

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• [ADDS 45-55% HORSEPOWER] Complete 6-71 Roots-style supercharger kit pumps streetable, instant-throttle boost into your GM LS – case, double-pinned 3-lobe rotors, factory-timed for consistent boost.
• [FITS ALL LS BLOCKS] Bolts to standard-deck LS1/LS2/LS3/LS6/LS7/4.8L/5.3L/6.0L/6.2L. Carb adapter accepts dual 4-barrel square-bore ( 600-850 cfm typical). Verify rotating assembly for sustained race use.
• [COMPLETE BOLT-ON KIT] Includes supercharger, intake manifold, snout, 50T/55T Gilmer pulleys, idler with bracket, 3in belt, V-belt crank pulley, dual-carb adapter, and all gaskets. Carbs/dist/fuel sold separately.
• [BUILT TO SURVIVE BOOST] Heavy-duty front/rear bearing plates handle sustained PSI. Double-pinned rotors prevent slip under detonation. Pop-off valve relocated to rear. 12-month warranty.
• [DIAL IN YOUR BOOST] Ships with 50T/55T pulleys for popular street range. 48T, 60T, 65T sold separately to adjust overdrive for race or street. Intended for racing – verify local emissions.

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Dirty Dingo LS Billet Turbo Oil Feed Complete Kit – Single Feed Solution

Oil feed is critical for any forced induction setup, and Dirty Dingo’s billet kit makes it dead simple. This CNC-machined aluminum line with stainless steel braiding provides a clean, leak-free path from your oil source to your turbo or supercharger. It’s designed specifically for Gen 3 and Gen 4 LS engines, including your LS1, so you know it fits.

Installation is straightforward—thread the fittings, route the line away from heat sources, and you’re good. The billet construction looks great in any engine bay, and the stainless steel ensures long-term durability. If you’re running a single turbo or a supercharger that needs its own oil feed, this kit is a no-fuss upgrade that protects your investment.

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• Oil feed kit for turbo or supercharger
• CNC machined Billet Aluminum
• Stainless Steel Line

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Dirty Dingo LS Billet Twin Turbo Oil Feed Complete Kit – Dual Feed Setup

When you’re running twin turbos, you need a clean way to feed both units. This Dirty Dingo kit delivers exactly that with a stainless braided line, #4 AN fittings, and a Teflon liner that resists heat and oil degradation. It’s designed for LS1 Gen 3 and Gen 4 engines, so you can trust the fitment.

The kit includes two separate feed lines, one for each turbo, ensuring balanced oil flow. The Teflon liner is a big plus—it prevents fuel and oil from soaking into the line and causing swelling. Installation is straightforward with the included hardware, and the billet fittings add a touch of show-quality style. If you’re building a twin-turbo LS1, this is a must-have.

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• Stainless Braided Line
• #4 fittings
• Teflon Liner

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How to Build High-Performance Chevy LS1/LS6 V-8s (S-A Design) – Knowledge Base

Before you drop thousands on parts, it pays to understand what you’re doing. This CarTech manual is the go-to reference for building LS1 and LS6 engines. It covers everything from basic maintenance to full race builds, with detailed chapters on supercharging, turbocharging, and fuel system upgrades.

You’ll learn about cylinder head selection, camshaft profiles, and how to choose the right supercharger for your goals. The writing is clear, with plenty of photos and diagrams. It’s not a replacement for hands-on experience, but it’ll save you from costly mistakes. Whether you’re a first-time builder or a seasoned gearhead, this book belongs on your shelf.

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• How to Build High-Performance CHEVY LS1/LS6 V-8's: CarTech Manual – Softcover

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Speedmaster Blower Drive Kit for 6-71/8-71 Roots Supercharger – Drive System Upgrade

If you already have a 6-71 or 8-71 roots supercharger, this drive kit from Speedmaster gives you everything you need to install it properly. It includes the pulleys, belt, idler bracket, and necessary hardware—all designed to fit Chevy LS engines like your LS1, LS2, LS3, and more.

The kit is track-proven, meaning it’s been tested in real-world racing conditions. The components are built to handle the high loads of a supercharger drive system without slipping or failing. Installation is straightforward, and the 12-month warranty adds peace of mind. If you’re piecing together your own supercharger setup, this drive kit simplifies the process.

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• Included components as shown in product images
• Speedmaster creates unique and distinctive DNA items inspired by the blend of old and new technology. Its empowered work forced drives innovation not only in the products it sells but with the way it goes about doing it.
• TRACK PROVEN – Surviving the longevity of road, race and recreation is mandatory for all Track Proven products, Bringing you closer to product perfection.
• 12-Month Limited Worldwide Warranty

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ICT Billet Cathedral Port to LS3/LSA/CTS-V Supercharger Adapter – Head Conversion

If you’re swapping a supercharger from an LS3, LSA, or CTS-V onto your cathedral-port LS1 heads, you need this adapter. ICT Billet machines these from high-quality aluminum to bridge the gap between the cathedral port intake and the rectangular port supercharger manifold.

The adapter is precision-machined for a perfect seal, and it includes all necessary hardware. It’s a popular solution for LS1 owners who want to use a more modern supercharger setup without swapping heads. Installation is straightforward, but you’ll need to verify your specific supercharger model. It’s a smart way to upgrade your boost without a full head swap.

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• Cathedral Port Cylinder Head: This refers to a type of cylinder head design used in certain LS-based engines. It has a distinctive cathedral-shaped intake port.
• LS3, LSA, ZL1: These are different engine models or variations within the General Motors LS engine family. LS3, LSA, and ZL1 engines have different specifications and features.
• CTS-V Supercharger: The Cadillac CTS-V is a high-performance model, and it often comes with a supercharger to enhance engine performance.
• Adapters: In this context, adapters are likely used to connect the Cathedral Port Cylinder Head to the LS3, LSA, ZL1, or CTS-V supercharger. They provide a means of compatibility between different components.

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ATI 918853 Super Damper – Harmonic Balancer Upgrade

Adding a supercharger puts extra stress on your crankshaft, making a quality harmonic damper essential. The ATI 918853 is a 7.5-inch outer diameter super damper designed specifically for LS1/LS2 F-Body Camaros. It’s built to dampen crankshaft vibrations at high RPMs, protecting your engine from destructive harmonics.

This damper is SFI-approved, meaning it meets racing safety standards. It’s a direct replacement for the factory balancer, and it accepts the stock serpentine belt. The design includes a billet steel hub and a urethane elastomer ring that absorbs vibration better than rubber. If you’re planning on high-RPM boost, this is a smart upgrade to prevent crank failure.

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• 7.500" OD

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Bluegrass Performance Dual Port LS Oil Pan Adapter – Oil Feed Expansion

When you’re adding a turbo or supercharger, you often need extra oil feed ports. This Bluegrass Performance adapter plate bolts onto your LS oil pan, adding two 1/8-inch NPT ports. It’s made from 6061 billet aluminum and fits all 1997-2013 LS engines, including your LS1.

The adapter is 1/2-inch thick and CNC-machined for a precise fit. It uses a high-quality o-ring to seal against the pan. You can use these ports for oil feed to your turbo, supercharger, or even an oil pressure gauge. Installation is simple—just remove the pan, drill and tap the existing boss, or mount the plate directly. It’s a clean, reliable way to add oil ports without welding.

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• Bluegrass Performance LS Oil Pan Dual Port Oil feed adapter
• Fits All 1997-2013 LS Based V8 Engines
• Made In USA
• 1/8" NPT Port Adapter (2 Ports) 1/2" Thick Billet CNC'd 6061 Aluminum
• Can be used for Turbocharger or Supercharger oil feed, or for oil pressure/temp gauges.

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CBM Motorsports LS1 75mm to Ecotec LSJ 70.5mm Adapter – Throttle Body Conversion

If you’re running a GM Ecotec LSJ supercharger (M62 Eaton) on your LS1, you need this adapter to mate a 75mm LS1 throttle body to the supercharger’s 70.5mm intake. The CBM adapter is CNC-machined from billet with a tapered bore that smoothly transitions from 75mm to 70.5mm, ensuring laminar airflow.

It includes an IAC relief, revised geometry, and Opti-Flow technology for better airflow. The adapter is 5/8-inch thick and uses a high-quality o-ring for a leak-free seal. It’s a niche product, but for those using the LSJ supercharger, it’s the only way to get a proper LS1 throttle body fitment. Installation is straightforward with basic hand tools.

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• Billet 75mm LS1 throttle body adapter to a 70.5mm Ecotec LSJ supercharger intake allows the use of a cable driven GM 75mm LS1 style throttle body on a GM 70.5mm Ecotec LSJ supercharger (M62 Eaton) intake.
• Port bore is tapered, 75mm on the throttle body side and 70.5mm on the supercharger intake side, this allows for smooth flow and full expansion of the air as it passed through the throttle body.
• Incorporates an IAC relief, revised geometry, and advanced 3D profiling with Opti-Flow technology.
• Adapter is 5/8" thick, milled on every side and uses a high quality o-ring to ensure a perfect leak free seal.
• CNC machined 6061-T6 aircraft grade billet aluminum construction.
• Machined finish.
• Includes high quality o-ring and mounting hardware.
• Proudly made in the USA.

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MSD 2705 Adapter Kit for AirForce Manifold – Fuel Injection Integration

When you’re running the MSD AirForce intake manifold (PN 2702) with LS1 injection, you need this adapter kit to ensure proper fitment. The MSD 2705 includes all the hardware necessary for a direct, do-it-yourself installation. It’s designed using 3D scanning for an OEM-like fit.

This kit is made from high-quality materials and comes with a limited lifetime construction warranty. It’s specifically for the AirForce manifold, so make sure that’s what you have. The adapter allows you to use standard LS1 injectors and fuel rails, simplifying your supercharger fuel system. It’s a small but crucial piece for a clean build.

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• Kit, adaptor for air force PN2702 w/LS1 injection
• Made from high quality durable material
• PERFECT FITMENT – This direct-fit Street Series system fits onto your vehicle easily thanks to the extensive use of 3D scanning during development to ensure OEM-like fitment. 16642 includes all the hardware necessary for do-it-yourself installation.
• LIMITED LIFETIME CONSTRUCTION WARRANTY – Performance that lasts. Enjoy worry-free ownership knowing that you're backed by MagnaFlow’s limited lifetime construction warranty

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Buyer’s Guide: What to Consider

Choosing the right supercharger for your LS1 isn’t just about peak horsepower numbers. You need to consider how the kit fits your engine, your driving style, and your budget. Here are the key factors to keep in mind before you buy.

• Supercharger Type: Roots, twin-screw, centrifugal, or turbo—each has different power delivery. Roots and twin-screw give instant low-end torque, while centrifugal builds boost with RPM. Consider your driving style and horsepower goals.
• Engine Compatibility: Not all supercharger kits fit every LS engine. Check your LS1's deck height, head design (cathedral vs. rectangular), and rotating assembly strength. Some kits require specific modifications or additional parts.
• Oil Feed & Return: Forced induction adds oiling demands. You'll need a proper oil feed line from the engine to the supercharger or turbo, and often a return line to the pan. Kits like Dirty Dingo and Bluegrass Performance simplify this.
• Drive System: A supercharger needs a belt drive system—pulleys, idlers, and a belt. Ensure the kit includes a compatible crank pulley and that your dampener can handle the extra load. ATI's super damper is a recommended upgrade.
• Fuel System: Boost requires more fuel. Most supercharger kits don't include carburetors or injectors, so plan for a fuel pump, injectors, and tuning. The MSD adapter kit helps integrate fuel injection with certain manifolds.
• Installation Complexity: Some kits are bolt-on, others require fabrication. Assess your mechanical skills and tools. Complete kits like the Speedmaster 6-71 are easier to install, while piecing together parts may take more time.
• Warranty & Support: Look for products with a warranty—Speedmaster offers 12 months, MSD has a limited lifetime warranty. Good customer support can save you headaches if something doesn't fit or fails.

Conclusion

Boosting your LS1 is one of the most rewarding upgrades you can do, and the right supercharger setup can transform your car. From the complete Speedmaster 6-71 kit that delivers classic roots-style power, to the essential oil feed lines and adapters that make your build work, each product plays a role in a successful project.

Start with the supercharger that matches your goals—whether it’s a streetable roots blower or a custom turbo setup. Then build around it with quality components like the Dirty Dingo oil feed kits, ATI damper, and proper adapters. And don’t forget the knowledge: the CarTech manual can save you time and money. Whichever path you choose, take your time, do your research, and enjoy the process of building a faster LS1.