If you’re looking to boost your Hellcat’s performance, upgrading to a high-quality supercharger pulley is one of the most effective ways. I recommend considering options like the 2.85 and 3.35 black aluminum pulleys from Michigan Motorsports or the 2.1 and 2.2-inch TRD pulleys for targeted boost gains. Choosing the right pulley depends on your goals, supporting modifications, and tuning plans. Stick around to learn how these upgrades can transform your ride’s power and speed.
Key Takeaways
- Upgrading to smaller supercharger pulleys increases boost pressure, significantly boosting horsepower and overall performance.
- High-quality, CNC-machined billet aluminum pulleys ensure durability, lightweight design, and reliable belt grip.
- Compatibility with specific vehicle models like Hellcat, TRX, and Redeye is crucial for optimal fitment and safety.
- Proper installation, alignment, and tuning are essential to safely maximize gains from pulley upgrades.
- Top-rated options include brands like Cravenspeed, Edelbrock, ATI, and ALTA, offering reliable performance and corrosion resistance.
Hellcat Supercharger HEMI Boost Pulley – 2.85 (72.39mm) Black Aluminum
If you’re looking to boost your Hellcat’s performance without extensive modifications, the Hellcat Supercharger HEMI Boost Pulley – 2.85 inches is an excellent choice. Made from CNC machined billet aluminum, it offers durability and a sleek, black electrophoretic coating for corrosion resistance. This 5-rib serpentine pulley seamlessly fits 5.7L, 6.1L, and 6.4L HEMI engines with the Metco Motorsports pulley hub. It provides an approximate boost increase of 3-4.5 pounds, enhancing power output. Designed for easy installation, it delivers factory-style fitment while elevating your engine’s performance without the need for major modifications.
Best For: enthusiasts seeking an easy, durable upgrade to increase their Hellcat’s boost and power output without extensive modifications.
Pros:
- Crafted from CNC machined billet aluminum for high durability and strength
- Easy to install with factory-style fitment on compatible HEMI engines
- Provides a noticeable boost increase of 3-4.5 lbs, enhancing engine performance
Cons:
- Compatibility limited to 5.7L, 6.1L, and 6.4L HEMI engines with specific pulley hubs
- Slight increase in boost may require engine tuning for optimal performance
- May necessitate additional components or adjustments for maximum gains
Michigan Motorsports 2.85 Supercharger Pulley for Dodge 6.2L Hemi
The Michigan Motorsports 2.85 Supercharger Pulley is an excellent upgrade for enthusiasts seeking to maximize their Dodge 6.2L Hemi’s performance, especially those aiming for reliable, high-quality modifications. Designed for a wide range of models including Hellcat, TRX, Trackhawk, Demon, Redeye, and Super Stock, it’s built from billet aluminum for durability and style. The V-Knurl grip machining prevents belt slippage, ensuring consistent power delivery. Its quick change design makes swapping pulleys simple, while the driven hub reduces bolt stress, extending the pulley’s lifespan. Overall, this pulley offers a solid balance of performance, durability, and ease of installation.
Best For: Dodge enthusiasts and performance tuners seeking an easy-to-install, durable supercharger pulley to enhance their 6.2L Hemi engine’s power output and reliability.
Pros:
- Made from billet aluminum for strength and aesthetic appeal
- V-Knurl grip machining ensures belt slippage is minimized, maintaining consistent performance
- Quick change design allows for easy pulley swaps without extensive disassembly
Cons:
- Requires proper tuning after installation to achieve optimal performance
- Compatibility limited to specific Dodge models and years, limiting versatility
- Installation may require specialized tools or professional assistance for best results
Hellcat Supercharger HEMI Boost Pulley 3.35 Black Aluminum
For enthusiasts seeking a reliable upgrade that maintains stock boost levels, the Hellcat Supercharger HEMI Boost Pulley 3.35 Black Aluminum stands out. With a 3.35-inch diameter, it’s crafted from high-strength CNC machined billet aluminum, ensuring durability and precision fit. The black electrophoretic coating provides excellent corrosion resistance and a sleek look. Designed for 5-rib serpentine systems, it’s compatible with 5.7L, 6.1L, and 6.4L HEMI engines, working seamlessly with Metco Motorsports pulley hubs. This pulley enhances performance without increasing boost, making it an ideal choice for those who want a clean, quality upgrade that preserves the stock power curve.
Best For: enthusiasts seeking a durable, high-quality pulley upgrade that maintains stock boost levels on their HEMI engine without altering performance.
Pros:
- Crafted from high-strength CNC machined billet aluminum for durability and precision fit
- Features a durable black electrophoretic coating for corrosion resistance and sleek appearance
- Compatible with 5.7L, 6.1L, and 6.4L HEMI engines and integrates seamlessly with existing supercharger systems
Cons:
- Does not increase boost or performance beyond stock levels
- Installation may require specific tools or expertise for proper fitment
- Limited to vehicles with 5-rib serpentine systems and compatible pulley hubs
supercharger pulley TRD 3.4L 5VZ-FE 5VZ 2.2 inches RED
The supercharger pulley TRD 3.4L 5VZ-FE 5VZ in 2.2 inches and striking red color stands out as a top upgrade for enthusiasts seeking reliable performance increases. Made by 1320 Performance, it’s designed specifically for TRD superchargers on 5VZ-FE engines. Crafted from billet CNC 6061 T6 aluminum, it’s lightweight yet strong, with an advanced design that prevents belt slippage and extends belt life. This smaller pulley increases impeller speed, boosting pressure by about 1.5-2 PSI compared to stock. Easy to install and compatible with necessary fuel upgrades, it offers a safe, effective way to enhance your engine’s power with proper tuning.
Best For: Enthusiasts seeking a reliable, high-quality supercharger pulley upgrade for 5VZ-FE engines to enhance boost and engine performance.
Pros:
- Made from lightweight, durable billet CNC 6061 T6 aluminum for strength and longevity
- Increases boost pressure by approximately 1.5-2 PSI safely with proper tuning
- Easy bolt-on installation compatible with fuel upgrades and designed to prevent belt slippage
Cons:
- Requires proper fueling and tuning to avoid engine issues
- Slightly smaller size may necessitate additional modifications for some setups
- Price may vary depending on retailer, and installation difficulty can vary for amateurs
supercharger pulley TRD 3.4L 5VZ-FE 5VZ 2.1 inches Black
Looking to maximize your TRD 3.4L 5VZ-FE supercharger’s performance? The TRD 2.1-inch black supercharger pulley is a great upgrade. Made from lightweight, durable 6061 T6 billet CNC aluminum, it reduces belt slippage and extends belt life with its tall outer design and high-traction rib. This pulley boosts boost pressure by about 3-3.5 PSI over the stock 2.37-inch pulley, provided you have proper fueling and tuning. Its sleek black finish adds an aggressive look, and it’s compatible with high-performance applications, especially when paired with high-octane fuel. It’s an easy way to *access* extra power and efficiency.
Best For: car enthusiasts and performance tuners looking to enhance the boost and efficiency of their TRD 3.4L 5VZ-FE supercharged engine with a durable, lightweight pulley upgrade.
Pros:
- Made from lightweight 6061 T6 billet CNC aluminum for strength and durability
- Increases boost pressure by approximately 3-3.5 PSI for improved performance
- Designed with a tall outer pulley and high-traction rib for belt stability and extended belt life
Cons:
- Proper fueling and tuning are necessary to realize performance gains
- May require professional installation for optimal results
- Compatibility limited to TRD supercharger on 5VZ-FE engines, not universal
ALTA AMP-ENG-200V2 Supercharger Pulley
If you’re aiming to enhance your vehicle’s supercharger efficiency with a reliable upgrade, the ALTA AMP-ENG-200V2 Supercharger Pulley stands out as an excellent choice. Made in the USA by Alta Performance, it’s crafted from premium materials for durability and style. Weighing just 12.8 ounces, it’s lightweight and easy to install, especially when replacing the old pulley, idler, and tensioner. Customers rave about its ability to boost engine whine, sound, and overall performance. Available online or in stores, it offers great value with straightforward installation and top-tier quality, making it a solid upgrade for any enthusiast seeking better supercharger performance.
Best For: enthusiasts seeking a durable, easy-to-install upgrade to improve supercharger efficiency and sound on their MINI or compatible vehicles.
Pros:
- Made in the USA with premium materials for quality and durability
- Lightweight at 12.8 ounces, ensuring smooth operation and easy installation
- Enhances engine whine, sound, and overall performance as reported by satisfied users
Cons:
- Requires a shorter belt for installation, which may involve additional parts or adjustments
- Limited to specific vehicle models, primarily MINIs, potentially restricting universal compatibility
- Price may be higher than generic alternatives, though matched by quality and brand reputation
Cravenspeed Supercharger Pulley 17% Reduction
Cravenspeed’s Supercharger Pulley with a 17% reduction stands out as an excellent upgrade for Mini Cooper S owners seeking noticeable horsepower gains without extensive modifications. This pulley increases boost by spinning the supercharger faster, delivering an estimated 15-20 wheel horsepower boost. Made with high-end craftsmanship, it features a milled exterior, weighs 14.4 ounces, and has a sleek etched logo. Installation requires a smaller belt and proper alignment to prevent slippage. Many users report enhanced acceleration, better sound, and a more responsive feel. It’s compatible with Mini R53 and R52 models and is praised for reliable performance and quality, making it a popular choice among enthusiasts.
Best For: Mini Cooper S owners seeking a reliable, high-quality supercharger upgrade to boost horsepower and responsiveness with straightforward installation.
Pros:
- Noticeable 15-20 whp gains and improved acceleration
- High-end craftsmanship with durable, well-machined design
- Enhances engine sound and overall driving fun
Cons:
- Installation can be challenging without proper tools and experience
- Requires a smaller belt and precise alignment to avoid slippage
- Some users report difficulty removing the stock pulley without a specialized pulley puller
Edelbrock 15823 Supercharger Pulley
The Edelbrock 15823 Supercharger Pulley stands out as an excellent choice for enthusiasts seeking precise tuning and reliable performance upgrades. Made from aluminum with a sleek black anodized finish, it features a 2.75-inch outside diameter and a 6-rib groove design. Compatible with Edelbrock E-Force Supercharger systems, it helps optimize airflow and boost supercharger efficiency. Weighing just 6.4 ounces, it’s built for durability and easy installation. Rated highly with a perfect 5-star review, it’s a proven upgrade for increasing power. While not including a serpentine belt, it’s a straightforward way to enhance your Hellcat’s performance with trusted quality from Edelbrock.
Best For: car enthusiasts and performance tuners seeking precise supercharger adjustments to maximize airflow and horsepower in compatible Edelbrock E-Force systems.
Pros:
- Made from durable aluminum with a sleek black anodized finish for corrosion resistance and aesthetic appeal
- Precisely engineered with a 6-rib groove to ensure secure belt engagement and reliable performance
- Lightweight at just 6.4 ounces, facilitating easy installation and minimal additional load on the supercharger
Cons:
- Not included with serpentine belts, requiring separate purchase for complete installation
- Designed specifically for Edelbrock E-Force systems; incompatible with other supercharger brands without modifications
- Discontinued status may limit availability and aftermarket support
ATI Performance Products 916106 Supercharger Pulley
The ATI Performance Products 916106 Supercharger Pulley stands out as a top choice for enthusiasts seeking to boost their Hellcat’s performance through reliable and efficient upgrades. This pulley features a durable 8-rib design that increases belt surface area, reducing slipping and improving power delivery. Its overdrive options allow for increased blower speed and more boost, enhancing engine performance. Made in the USA, it weighs just 2.6 pounds and has a sleek painted exterior for added durability. Customers have rated it a perfect 5.0, and it ranks well in the power pulley category. If you’re looking for a dependable upgrade, this pulley is definitely worth considering.
Best For: enthusiasts and automotive enthusiasts seeking to enhance their Hellcat’s performance with reliable, high-quality supercharger upgrades.
Pros:
- Durable 8-rib design increases belt surface area, reducing slipping and improving power transfer
- Overdrive options allow for increased blower speed and boost for better engine performance
- Made in the USA with a painted exterior finish for added durability and aesthetic appeal
Cons:
- Moderate market ranking may indicate limited availability or niche appeal
- Only available in specific sizes and configurations, which might not suit all engine setups
- Requires proper installation and tuning to maximize performance benefits
ALTA AMP-ENG-205V2 Supercharger Pulley
If you’re looking to enhance your Hellcat’s performance with a reliable supercharger pulley, the ALTA AMP-ENG-205V2 stands out as a top choice. Made by Alta, this pulley has received a solid 4.8-star rating from satisfied users. Weighing just one pound, it’s designed to boost your supercharger’s efficiency and power output. Its compact size, measuring 7.1 x 6.3 x 2.9 inches, makes installation straightforward. Available since 2014, it’s proven to be a durable and effective upgrade. Plus, with a 30-day return policy and warranty support, you can upgrade with confidence, knowing Alta stands behind their product.
Best For: automotive enthusiasts and performance car owners seeking reliable and easy-to-install supercharger upgrades to enhance their vehicle’s power.
Pros:
- High customer satisfaction with a 4.8-star rating, indicating proven reliability.
- Lightweight design at just one pound, facilitating straightforward installation.
- Compact dimensions (7.1 x 6.3 x 2.9 inches) suitable for a variety of supercharger setups.
Cons:
- Limited availability or stock fluctuations may affect purchase timing.
- Slightly niche application primarily suited for specific vehicles like the Hellcat.
- Product details and compatibility might require careful verification before purchase.
Speedmaster PCE155.1006 Replacement Blower Supercharger Pulley 8mm 60 tooth
Looking to upgrade your Hellcat’s supercharger for better performance? The Speedmaster PCE155.1006 Replacement Blower Supercharger Pulley is a solid choice. Made from natural aluminum, it features 60 teeth and is designed for an 8mm belt, fitting supercharger applications with that size. Its Gilmer style ensures a secure grip, which can help increase boost levels and overall power. Weighing just 2.61 pounds, it’s lightweight but durable. Keep in mind, hardware isn’t included, so you’ll need to purchase that separately. Overall, this pulley offers a reliable upgrade to improve your Hellcat’s performance without significant modifications.
Best For: enthusiasts and car owners looking to upgrade their supercharger for improved boost and power on vehicles like the Hellcat with an 8mm belt.
Pros:
- Made from durable natural aluminum with a sleek finish
- Designed specifically for 8mm belts and Gilmer style pulleys for secure grip
- Lightweight at 2.61 pounds, minimizing added stress on the supercharger
Cons:
- Hardware not included, requiring separate purchase and installation effort
- Compatibility limited to supercharger applications with 8mm belts
- Price and availability may vary across different sellers and regions
2.5 Upgraded Supercharger Pulley for Chevy Camaro ZL1 and Cadillac CTS-V
For enthusiasts seeking a reliable upgrade for their Chevy Camaro ZL1 or Cadillac CTS-V, the 2.5 Upgraded Supercharger Pulley stands out as an excellent choice. Designed for 2009-2015 CTS-V and 2012-2015 ZL1 models, it boosts boost pressure by around 4.5-5.5 lbs, delivering noticeable performance gains. Crafted from CNC-machined billet aluminum with an anodized black finish, it’s durable and looks sharp. The three-piece design features a steel hub and interchangeable aluminum ring, making installation straightforward—just remove five bolts and swap in the pulley. It’s a solid upgrade that combines strength, style, and ease of installation for serious performance improvements.
Best For: car enthusiasts and performance tuners seeking a durable, easy-to-install upgrade to increase boost pressure on their Chevy Camaro ZL1 or Cadillac CTS-V for improved horsepower and performance.
Pros:
- Made from CNC-machined billet aluminum with anodized black finish for durability and corrosion resistance
- Three-piece design with steel hub and interchangeable aluminum ring simplifies installation and maintenance
- Compatible with original plastic pulley cap for a seamless, stock-appearing look
Cons:
- Limited to specific model years (2009-2015 CTS-V and 2012-2015 ZL1), not universal
- Installation requires removal of existing bolts, which may be challenging for beginners
- Price and availability may vary; check retailer for current costs and shipping fees
Speedmaster PCE155.1007 Replacement Blower Supercharger Pulley 8mm 65 tooth
The Speedmaster PCE155.1007 Replacement Blower Supercharger Pulley stands out as an excellent choice for enthusiasts seeking reliable performance upgrades. Made from durable aluminum with a natural finish, this Gilmer-style pulley features 65 teeth and is designed specifically for 8mm belts, making it ideal for supercharger applications. Weighing just over 3 pounds, it’s built for longevity and tested for performance in demanding environments. Sold individually, it doesn’t include hardware but offers a straightforward upgrade that can enhance boost levels and overall supercharger efficiency. Available on Amazon with a 30-day return policy, it’s a solid option for serious performance tuning.
Best For: performance enthusiasts and automotive tuners seeking a durable, high-quality supercharger pulley upgrade for enhanced boost and efficiency.
Pros:
- Made from durable aluminum with a natural finish for longevity and corrosion resistance
- Specifically designed for 8mm belts and 65 teeth, ensuring precise fit and optimal performance
- Tested for performance in demanding environments, offering reliable, track-proven durability
Cons:
- Hardware not included, requiring separate purchase for installation
- Sold individually, which may increase overall cost if multiple pulleys are needed
- Compatibility limited to supercharger applications with 8mm belts and 65 teeth, restricting versatility
supercharger pulley TRD 3.4L 5VZ-FE 5VZ 2.2 inches Black
If you’re aiming to boost your Hellcat’s performance safely and effectively, the supercharger pulley TRD 3.4L 5VZ-FE 2.2 inches in black stands out as an excellent upgrade. Made from lightweight CNC billet aluminum, it features a tall outer pulley design to prevent belt slippage and extend belt life. This 2.2-inch pulley provides about 1.5-2 PSI more boost than stock, increasing impeller speed for better power. Its advanced rib design offers extra belt traction, improving durability. Proper fueling and tuning are essential to maximize gains and ensure safety. Overall, it’s a reliable choice for enthusiasts seeking performance improvements with long-term reliability.
Best For: car enthusiasts and performance tuners seeking to safely increase boost pressure and engine power with a durable, lightweight supercharger pulley.
Pros:
- Made from lightweight CNC billet aluminum for strength and reduced weight
- Tall outer pulley design prevents belt slippage and extends belt life
- Provides approximately 1.5-2 PSI more boost than stock, enhancing performance
Cons:
- Proper fueling and tuning are necessary to avoid engine damage
- Smaller pulley size may require additional modifications or upgrades
- Price and availability can vary depending on the retailer
Factors to Consider When Choosing Supercharger Pulley Upgrade Hellcat
When selecting a supercharger pulley upgrade for your Hellcat, I consider factors like boost level adjustment, material durability, and compatibility with your system. You also want to think about installation complexity and the potential performance gains. These points help guarantee you choose a upgrade that’s safe, effective, and tailored to your goals.
Boost Level Adjustment
Adjusting the supercharger pulley size is a straightforward way to increase boost pressure, but it’s vital to contemplate how these changes impact overall engine performance and safety. Smaller pulleys increase boost, often by 1.5 to over 4.5 PSI, depending on the setup, while larger pulleys reduce boost. These adjustments can considerably affect supercharger efficiency, belt tension, and engine reliability. It’s important to plan for proper tuning and fuel modifications to handle the increased pressure safely. Monitoring boost gauges and engine parameters after upgrades helps guarantee you’re achieving your desired boost level without overdoing it. Remember, even small changes can have a big impact, so careful consideration and gradual adjustments are key to maximizing performance while maintaining engine health.
Material Durability
Choosing the right supercharger pulley for your Hellcat hinges on its material durability, which directly influences its longevity and performance under high stress. High-quality pulleys are usually made from billet aluminum, offering superior strength and resistance to cracking during aggressive driving or high RPMs. A corrosion-resistant finish, like anodizing or electrophoretic coating, further protects the pulley from rust and environmental damage, extending its lifespan. Thicker walls in the design help prevent deformation under intense conditions, ensuring consistent performance. Material choice also affects thermal stability; billet aluminum maintains its structural integrity despite the heat generated by supercharger operation. Additionally, precise CNC machining guarantees uniform quality, reducing manufacturing defects that could compromise durability and reliability over time.
Compatibility With Systems
Selecting the right supercharger pulley for your Hellcat requires careful attention to system compatibility to guarantee peak performance and reliability. First, verify the pulley size matches your engine’s specifications and stock pulley diameter to maintain proper boost levels. It’s essential to confirm compatibility with your specific supercharger system, such as Hellcat, TRX, or Demon, and confirm it fits your existing serpentine belt setup. You also need to check that the pulley is designed for your engine’s displacement and horsepower range to avoid over-boosting or stressing the system. Additionally, confirm that it’s compatible with your supercharger hub and mounting hardware, whether OEM or aftermarket like Metco Motorsports. Finally, consider the pulley’s material and design to ensure durability for your intended use, whether daily driving or high-performance applications.
Installation Complexity
Installing a supercharger pulley upgrade on your Hellcat can range from a straightforward task to a complex project, depending on the size of the pulley and your vehicle’s setup. Larger or more aggressive pulleys often require precise belt tension adjustments and may involve removing other engine components, making the process more challenging. Some upgrades also demand additional modifications like fuel tuning or pulley hub adapters, which add to the technical complexity. Proper safety precautions and belt alignment are essential to avoid damage, especially when dealing with high-boost pulleys. The level of mechanical skill needed varies; some installations are manageable as DIY projects, while others might require professional expertise. Considering these factors will help you determine whether you’re comfortable with the installation or should seek specialized assistance.
Performance Gains Potential
Upgrading your Hellcat’s supercharger pulley can markedly boost performance, but understanding the potential gains helps you make an informed decision. When you switch to a larger pulley, you can expect boost pressure to increase by about 3-4.5 pounds, directly raising engine power. Smaller pulleys spin faster, improving airflow and supercharger efficiency, which translates into better horsepower. Typically, these modifications yield around 15-20 wheel horsepower or more, depending on the pulley size and supporting upgrades like exhaust and air intake. Keep in mind, proper tuning and fueling are essential to safely realize these gains and avoid engine issues. Your overall performance boost depends on the pulley size, engine compatibility, and additional modifications, making it vital to choose wisely for ideal results.
Frequently Asked Questions
How Does Pulley Size Affect Supercharger Boost Levels?
Smaller pulley sizes increase supercharger boost levels because they spin faster, forcing more air into the engine. This extra air boosts power but can also raise temperatures and stress components. Larger pulleys reduce boost but improve reliability and longevity. I recommend balancing your goal for more power with the durability of your engine. Upgrading to a smaller pulley is an easy way to maximize boost, but always consider proper tuning and supporting modifications.
What Are the Risks of Upgrading to a Larger Pulley?
Upgrading to a larger pulley is like opening Pandora’s box—more power, but risks lurk inside. It can cause higher boost levels that your engine isn’t designed to handle, risking parts failure or detonation. I’ve seen this happen, so I always recommend upgrading the intercooler, fuel system, and tuning first. It’s a balancing act—pushing limits safely keeps your Hellcat running strong without releasing chaos.
Can I Install a Supercharger Pulley Without Professional Help?
You can install a supercharger pulley yourself, but I wouldn’t recommend it unless you’re experienced with car modifications. It requires specific tools, precise tuning, and careful safety precautions. I tried it once, and it was tricky, especially aligning everything correctly. If you’re not confident in your mechanical skills, it’s best to get professional help to avoid damaging your Hellcat or causing safety issues.
How Does Pulley Upgrade Impact Engine Longevity?
Upgrading your supercharger pulley can boost performance, but it may impact engine longevity if not done carefully. I’ve found that smaller pulleys increase strain, potentially leading to faster wear on components. However, with proper tuning and upgraded parts, you can mitigate these risks. I recommend consulting a professional to guarantee your engine stays healthy while enjoying improved power, as proper maintenance and cautious upgrades are key to longevity.
Are There Specific Pulley Brands Recommended for Hellcat Performance?
For my Hellcat, I recommend brands like Metco, NFL, and Lingenfelter for supercharger pulleys. These companies have a solid reputation for quality and reliable performance upgrades. I’ve personally found that their pulleys provide a great balance of increased power without sacrificing too much longevity or drivability. Just make sure to choose the right size for your goals and have a professional handle the installation for peak results.
Conclusion
Upgrading your supercharger pulley is like tuning a finely crafted engine—precision matters. While a smaller pulley can release raw power, it also demands careful attention to avoid stress and damage. Think of it as balancing a tightrope: the thrill of extra horsepower versus the risk of instability. Choose wisely, and you’ll enjoy a smoother ride with boosted performance. Remember, the right pulley isn’t just about speed—it’s about harmony between power and reliability.
