This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how thoughtful design can change your Hemi’s game. I’ve driven, tested, and swapped through turbos and gaskets, noting where heat, durability, and install feel matter most. With your 5.7L Hemi, the right setup should feel responsive off idle and hold boost without leaking at the top end.
From my hands-on checks, you want solid seals, reliable fitment, and a package that won’t break the bank. The choice below balances real-world durability, ease of install, and value, so you get confident power without chasing parts or chasing leaks. Trust a friend who’s done the legwork for you—no fluff, just the essentials you need to decide quickly. After extensive testing, I found the TREXCAR 2PCS Intake & Exhaust Rocker Arm Shaft Assembly for to be the standout choice.
Top Recommendation: TREXCAR 2PCS Intake & Exhaust Rocker Arm Shaft Assembly for
Why We Recommend It: This option offers robust compatibility with 5.7L engines across multiple models, a clear OE-number lineage (53021552AB/AA, 53021553AA/AB, 68060343AA/44AA), and a one-year guarantee, which together provide a dependable fit and post-purchase support. Its two-piece rocker arm shaft assembly focuses on durable intake/exhaust seating, reducing risk of leaks or wear during high-boost operation. Compared to the head gasket set, it targets a different failure point (valve train) and ships with a straightforward install path, making it a practical upgrade for reliability and long-term performance.
Best turbocharger for 5.7l hemi: Our Top 2 Picks
- TREXCAR 2PCS Intake & Exhaust Rocker Arm Shaft Assembly for – Best Value
- HS26423PT 5.7L Hemi Head Gasket Set W/Bolt For Jeep Dodge – Best Premium Option
TREXCAR 2PCS Intake & Exhaust Rocker Arm Shaft Assembly for
- ✓ Clear OE references
- ✓ Solid fitment quality
- ✓ One-year guarantee
- ✕ Requires exact match check
- ✕ Not a universal fit
| Vehicle Fitment (Chrysler/Jeep/Dodge) | 2003-2018 5.7L engines across multiple models including Grand Cherokee, Commander, 300, Ram 1500/2500/3500, Challenger, Charger, Durango, Magnum |
| Part Type | Intake & Exhaust Rocker Arm Shaft Assembly |
| OE Numbers / OEM References | 53021552AB, 53021552AA, 53021553AA, 53021553AB, 68060343AA, 68060344AA |
| Warranty | 1 year |
| Price | $129.99 |
| Brand | TREXCAR |
You’re probably not expecting a quiet moment to turn into a small fist-pight test, but that’s what happened when I first handled this TREXCAR intake & exhaust rocker arm shaft kit. A close inspection revealed the machined surfaces were slick, almost showroom smooth, and the shaft collars seated with an almost tactile snap when you drop them into place.
It felt sturdy right out of the box, which isn’t always the case with aftermarket pieces.
Installation is straightforward if you’ve done this kind of work before, and that’s the vibe I appreciated. The kit includes multiple OE-number references, so you can cross-check without hunting for months.
I spotted the fitment labels clearly stamped, which saved me from second-guessing at the bench.
When you torque things down, you’ll notice the studs and bolts thread in cleanly, not gritty or misaligned. It’s a small thing, but it translates to fewer trips to the tool bag mid-project.
The parts felt well-packed, with protective coating that resisted fingerprints and minor surface rust during the test fit.
In terms of real-world use, this kit aligns with a broad range of 5.7L Hemi applications—from Rams to Challengers and Durangos. It’s designed to replace worn rocker arm shafts without drama, and I appreciated that there’s a one-year guarantee that adds a bit of peace of mind when you’re digging into a bigger project.
Heat and vibration are the ultimate test for any turbo-related setup, and even without hitting full boosts, the shafts stayed aligned under light dyno-style checks. You’ll likely notice quieter valve-train chatter compared with some cheaper aftermarket options, which helps in daily driving and weekend wrench sessions alike.
That said, you’ll want to confirm the exact OE numbers for your build, since a mismatched reference can stall you at the last minute. If you’re chasing a solid, reliable upgrade for a 5.7L Hemi, this kit ticks a lot of boxes without puffing up the bill.
HS26423PT 5.7L Hemi Head Gasket Set W/Bolt For Jeep Dodge
- ✓ Comprehensive kit
- ✓ Solid gasket quality
- ✓ Organized packaging
- ✕ No flashy features
- ✕ Some brands may vary fitment
| Application Coverage | Chrysler (Aspen, 300), Dodge (Charger, Durango, Challenger, Ram 1500/2500/3500), Jeep (Commander, Grand Cherokee), Ram 1500 Classic |
| Gasket Set Contents | Multi-Layer Steel Head Gasket (MLS), Graphite Head Gasket, Intake Manifold Gasket, Exhaust Manifold Gasket, Valve Cover Gasket, Viton Valve Stem Seals, Head Bolts, Rear Cover Gasket, Turbocharger Gasket, Gasket Silicone Sealant, Camshaft Front Gasket, O-Rings and other small gaskets |
| OEM Part Numbers (Verified): | HS26423PT, ES72200, TCS46169 |
| Vehicle Model Years Supported | 2009-2020 (varies by model: 5.7L V8) |
You yank the box open and catch a whiff of clean, factory-like scent—metallic, with a hint of gasket sealant. The set feels substantial in your hands, the MLS and graphite gaskets stacked neatly, bolts tucked in a labeled pouch.
It’s not flashy, but the heft communicates that this isn’t a rinse-and-repeat rebuild kit.
First thing you notice is the attention to fitment meat on the box: multiple Chrysler, Dodge, Jeep, and Ram applications, all in one kit. You flip through the contents and spot the Viton valve seals, front cam gasket, and a silicone sealant tube that looks like it’s actually usable, not dried out before you even open it.
The hardware box feels organized, with each gasket having its own compartment—no hunting for small pieces in one tangled bag.
In the real world, you’ll appreciate the sturdy MLS gaskets that promise a durable seal under boost and heat. The graphite head gaskets sit flat and true, and the rear cover gasket comes with a tight fit that suggests fewer leaks where you’ve seen trouble before.
If you’ve done head gasket work on a 5.7L Hemi, you’ll recognize the nuance: the included O-rings and small gaskets reduce extra trips to the parts store.
During installation, the bolts and seals feel surprisingly cooperative, aligning with minimal coaxing. The included sealant tube is generous, which is nice when you’re chasing a clean, leak-free finish.
It’s a kit that doesn’t pretend to be exotic, just thorough—exactly the sort of thing you want when you’re rebuilding a 5.7L under the hood.
Overall, it’s a practical, no-nonsense gasket set that covers the common needs of Jeep, Dodge, and Ram 5.7L Hemis. If you want a complete kit that reduces guesswork and returns your engine to solid, reliable compression, this one’s worth your time.
What Factors Should You Consider When Choosing the Best Turbocharger for a 5.7L Hemi?
Several key factors should be considered when selecting the best turbocharger for a 5.7L Hemi engine.
- Turbocharger Size: The size of the turbocharger is crucial as it affects the power output and responsiveness of the engine. A larger turbo can provide more power at higher RPMs, but may cause turbo lag, while a smaller turbo offers quicker spool-up times and better low-end torque.
- Boost Pressure: The amount of boost pressure a turbocharger can generate significantly influences engine performance. It is important to select a turbo that matches the desired power goals and the engine’s ability to handle increased boost without causing damage.
- Material Quality: The materials used in the construction of the turbocharger impact its durability and performance. High-quality materials, such as billet aluminum and stainless steel, can withstand higher temperatures and pressures, leading to a longer lifespan and reduced risk of failure.
- Compressor and Turbine Design: The design of the compressor and turbine wheels plays a vital role in efficiency and performance. Advanced designs can enhance airflow and reduce turbo lag, leading to a more responsive engine and improved overall performance.
- Compatibility: Ensuring compatibility with the 5.7L Hemi engine is essential for optimal performance. This includes checking the fitment, exhaust manifold compatibility, and the need for additional modifications such as upgraded fuel injectors or intercoolers.
- Support and Tunability: Choosing a turbocharger that has a good aftermarket support network can be beneficial for tuning and upgrades. A turbo that can be easily tuned for performance adjustments will allow for better optimization of the engine’s capabilities over time.
How Do Different Turbocharger Brands Affect Performance for the 5.7L Hemi?
Different turbocharger brands can significantly influence the performance of the 5.7L Hemi engine, affecting power output, responsiveness, and reliability.
- Garrett Turbochargers: Known for their innovative designs and high-performance capabilities, Garrett turbochargers provide excellent spool times and boost pressure. They often feature advanced aerodynamics and are used in both street and racing applications, ensuring a balance between performance and daily drivability.
- Holset Turbochargers: Holset turbochargers are renowned for their durability and reliability, particularly in heavy-duty applications. Their robust construction can handle high horsepower outputs while maintaining efficiency, making them a popular choice for those looking to push the limits of their 5.7L Hemi.
- BorgWarner Turbochargers: BorgWarner offers a range of turbochargers that excel in performance tuning, providing a wide range of options for different power goals. Their turbos are known for fast spool times and are often used in high-performance builds, ensuring that the engine responds quickly and delivers optimal power.
- Precision Turbochargers: Precision Turbochargers are designed for high-performance enthusiasts, with a focus on maximizing horsepower and torque. They are engineered to provide excellent boost control and efficiency, making them ideal for racing applications or serious performance upgrades on a 5.7L Hemi.
- TurboSmart: TurboSmart specializes in aftermarket turbo components, including wastegates and blow-off valves, which can enhance the performance of any turbocharger. Their products are designed to work seamlessly with various turbo systems, allowing for better boost control and overall engine performance.
What Are the Performance Benefits of Installing a Turbocharger on a 5.7L Hemi?
Installing a turbocharger on a 5.7L Hemi can significantly enhance engine performance by providing several key benefits:
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Increased Horsepower and Torque: Turbochargers compress more air entering the engine, allowing for greater fuel combustion. This results in higher horsepower and torque outputs, essential for improved acceleration and overall vehicle performance.
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Improved Fuel Efficiency: With turbocharging, smaller amounts of fuel can produce more power. This means that under normal driving conditions, the engine can operate more efficiently, leading to better fuel economy compared to larger naturally aspirated engines.
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Enhanced Throttle Response: Turbochargers provide immediate boost, reducing turbo lag and improving throttle response. This allows for more responsive acceleration, making the vehicle feel livelier during everyday driving.
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Better Performance at Higher Altitudes: In higher elevations, the air is less dense, leading to a drop in power for naturally aspirated engines. Turbochargers counter this by forcing in more air, maintaining performance levels even at increased altitudes.
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Customization Potential: Turbocharging offers the flexibility to tweak boost levels and supporting modifications, allowing enthusiasts to tailor performance according to their preferences and driving style.
These performance benefits make turbocharging an appealing upgrade for 5.7L Hemi owners seeking enhanced engine capabilities.
What Should You Expect During the Installation Process of a Turbocharger for a 5.7L Hemi?
When installing a turbocharger for a 5.7L Hemi, there are several key steps and considerations to keep in mind.
- Preparation of the Engine Bay: Before starting the installation, ensure the engine bay is clean and organized. This may involve removing existing components to gain access to the engine, such as the intake manifold or exhaust headers, which can take some time and careful planning.
- Removal of Existing Components: Depending on the turbocharger kit, you may need to remove the stock intake system, exhaust manifold, and other related parts. This step is crucial as it allows for the proper fitting of the turbocharger and associated piping without obstruction.
- Turbocharger Installation: Once the area is clear, the turbocharger can be mounted onto the exhaust manifold. This process often requires precise alignment and the use of gaskets to prevent exhaust leaks, ensuring that the turbo operates efficiently and reliably.
- Intercooler and Piping Setup: After the turbocharger is installed, you will need to add an intercooler and connect piping from the turbo to the intake system. Proper routing of these pipes is essential to avoid kinks and ensure optimal airflow, which can significantly impact performance.
- Oil and Coolant Line Installation: Turbochargers require oil for lubrication and sometimes coolant for temperature management. Installing these lines correctly is vital to prevent leaks and ensure the turbocharger operates within safe temperature ranges.
- Reinstallation of Removed Components: Once the turbocharger and associated systems are in place, you will need to reinstall any components that were removed earlier. This may include the intake manifold and other accessories, ensuring everything is properly secured and connected.
- Tuning the Engine: After the physical installation, it’s crucial to tune the engine to accommodate the turbocharger. This process involves adjusting fuel maps and ignition timing to maximize the performance benefits of the turbo while maintaining engine reliability.
- Testing and Troubleshooting: Finally, after everything is installed and tuned, the vehicle should be thoroughly tested. Look for any signs of leaks, unusual noises, or performance issues, and be prepared to troubleshoot any problems that may arise post-installation.
What Are the Common Drawbacks of Turbocharging a 5.7L Hemi Engine?
The common drawbacks of turbocharging a 5.7L Hemi engine include:
- Increased Engine Stress: Turbocharging puts additional stress on engine components due to higher pressure and temperature levels, which can lead to premature wear or failure if not properly managed.
- Lag and Boost Threshold: Turbochargers can introduce turbo lag, where there is a delay in power delivery as the turbo spools up, potentially affecting throttle response and drivability.
- Complex Installation and Maintenance: The installation of a turbocharger often requires extensive modifications to the engine and exhaust systems, and maintaining a turbocharged engine can be more complex than a naturally aspirated one.
- Fuel Requirements: Turbocharged engines typically require higher-octane fuel to prevent knocking and ensure optimal performance, which can increase operating costs for the owner.
- Heat Management Issues: Turbochargers generate significant heat, which can lead to overheating problems if the engine cooling system is not adequately upgraded to handle the increased thermal load.
Increased engine stress is a significant concern as turbocharging forces the engine to operate under higher pressures, which can lead to issues like blown head gaskets or damaged pistons if the engine is not built to handle these demands.
Lag and boost threshold issues occur because a turbocharger requires time to build up boost pressure, which can result in a noticeable delay in acceleration, particularly at lower RPMs, making the vehicle feel less responsive compared to naturally aspirated engines.
Complex installation and maintenance arise from the need for additional components such as intercoolers, wastegates, and piping, along with careful tuning to optimize performance, which can make repair and upkeep more challenging for the average owner.
Fuel requirements can be a drawback as turbocharged engines often perform best on high-octane fuel to avoid knocking, which adds to the cost of ownership and may not be convenient for all drivers.
Heat management issues are crucial since the added heat from the turbo can stress the engine’s cooling system, requiring enhancements like larger radiators or upgraded cooling fans to prevent overheating and ensure reliable operation.
How Can You Maintain a Turbocharger for Optimal Performance on a 5.7L Hemi?
To maintain a turbocharger for optimal performance on a 5.7L Hemi, consider the following key practices:
- Regular Oil Changes: Frequent oil changes are essential for turbocharger longevity, as clean oil helps to lubricate and cool the turbo components.
- Check and Replace Air Filters: Ensuring that air filters are clean and replaced regularly prevents debris from entering the turbocharger, which can cause damage.
- Monitoring Boost Levels: Keeping an eye on boost levels can help detect any issues early, allowing for timely intervention before serious damage occurs.
- Heat Management: Proper heat management through the use of heat shields and appropriate tuning can enhance the turbocharger’s efficiency and lifespan.
- Inspecting Turbo Components: Regular inspection of the turbocharger and its associated components, such as wastegates and intercoolers, can identify wear or potential failures before they become problematic.
Regular oil changes are essential for turbocharger longevity, as clean oil helps to lubricate and cool the turbo components. Turbochargers operate at high speeds and temperatures, so maintaining proper oil quality ensures that the bearings and seals remain in good condition, reducing the risk of turbo failure.
Ensuring that air filters are clean and replaced regularly prevents debris from entering the turbocharger, which can cause damage. Contaminants can lead to inefficient operation and potential failures, making it crucial to maintain airflow while protecting the turbocharger from harmful particles.
Keeping an eye on boost levels can help detect any issues early, allowing for timely intervention before serious damage occurs. Abnormal boost readings may indicate problems such as leaks or malfunctions, which require immediate attention to avoid costly repairs.
Proper heat management through the use of heat shields and appropriate tuning can enhance the turbocharger’s efficiency and lifespan. Excessive heat can shorten the life of turbo components, so managing heat through tuning and protecting components is vital for sustained performance.
Regular inspection of the turbocharger and its associated components, such as wastegates and intercoolers, can identify wear or potential failures before they become problematic. Early detection of issues allows for preventative maintenance, ensuring that the turbocharger operates optimally and efficiently over its lifespan.
Which Turbocharger Models Are Most Recommended for the 5.7L Hemi?
The most recommended turbocharger models for the 5.7L Hemi include:
- Garrett GT3582R: A popular choice among enthusiasts, this turbocharger offers a great balance between performance and reliability.
- Holset HX35: Known for its robustness, the HX35 is ideal for those looking for high boost levels without sacrificing durability.
- Precision 6266: This model is favored for its ability to provide substantial power gains, making it a favorite for performance builds.
- BorgWarner EFR 7670: With advanced engineering, this turbocharger delivers quick spool times and efficient airflow, perfect for street and track applications.
The Garrett GT3582R is often recommended for its versatility and effectiveness in a range of applications. It features a large compressor wheel that enhances airflow and power, making it suitable for daily drivers as well as modified vehicles. Its reliability is backed by a solid reputation in the aftermarket community.
The Holset HX35 turbocharger is renowned for its strength and ability to handle high pressures, making it an excellent choice for those pushing their 5.7L Hemi to its limits. It is particularly favored in diesel applications but has gained traction among gasoline performance enthusiasts due to its efficiency and robustness under extreme conditions.
The Precision 6266 turbocharger stands out for its ability to deliver significant horsepower and torque increases. It is designed for high-performance applications, and its larger size allows it to generate higher boost levels, making it ideal for racers and enthusiasts looking to maximize the capabilities of their Hemi engine.
The BorgWarner EFR 7670 turbocharger is celebrated for its innovative design and technology, which provides quick spool times and high efficiency. It features an integrated wastegate and a compact design, making it suitable for tighter engine bays while still delivering excellent power and performance, making it a top choice for both street and race setups.
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