If you’re looking for ways to optimize your engine’s performance, you might want to consider the LS rocker trunion upgrade. This upgrade is a modern and cost-effective solution for those who want to take their engine’s performance to the next level. The LS rocker trunion upgrade replaces the factory ball-style rocker arm trunnion with a captured roller bearing trunion, resulting in smoother operation and improved valvetrain stability.
Before buying any product, it's important to consider certain factors to ensure you’re making the right decision. When it comes to the LS rocker trunion upgrade, factors like compatibility and durability should be kept in mind. Make sure it’s compatible with your engine and the parts you already have, and don’t forget to check the durability of the materials being used. Also, consider the product’s reputation in the market and its reviews.
Are you tired of experiencing engine noise, valve float, or valve train instability? Want to upgrade your engine without breaking the bank? Do you want a smoother and more reliable valvetrain operation that can enhance your engine’s performance? If yes, then the LS rocker trunion upgrade might be exactly what you need. It’s an affordable, high-quality upgrade that can make a significant difference in your engine's performance. So, if you’re looking for quality upgrades to give your engine that boost, the LS rocker trunion upgrade might be worth investigating further.
10 Best Ls Rocker Trunion Upgrade
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Ideal for improving valve train stability and reducing wear on LS engine models with 4.8L to 6.2L displacement.
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The product is ideal for upgrading rocker arm trunions in various GM LS engine models.
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3
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Ideal for improving engine performance in LS series engines with upgraded bronze bushing trunion kit.
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4
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The product is ideal for improving the performance of LS1, LS2 engines by upgrading the rocker arms with bronze bushings.
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5
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The product is ideal for upgrading rocker arms and bushings in Gen III and IV LS engines from Chevrolet GM.
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6
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Ideal for repairing or upgrading trunion rocker arms in Chevrolet and Pontiac LS engines with various displacements.
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7
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Ideal for repairing and upgrading rocker arms trunion in LS engines for GM, Chevrolet, and Pontiac models.
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8
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Ideal for enhancing performance in LS series engines by improving valve train stability and reducing deflection under high loads.
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9
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The product is ideal for installing rocker arm trunion bushings on LS series engines with various displacements.
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10
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It is ideal for upgrading the rocker arm trunion in various GM LS engine types.
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1. Brian Tooley Btr Trunnion Kit V2 Rocker Arm Trunion Ls1 Ls3 4.8 5.3 5.7 6.0 6.2
Upgrade your LS style rocker arms with the BTR Trunnion Kit V2 Rocker Arm Trunion Kit. The all-new Trunnion Kit V2 comes with a Trunnion that has pre-installed inner race bearings. The V2 kit features an upgraded pressed inner race made of 52100 Heat Treated Bearing Steel, which is more durable than the commonly used 8620 Carburized Steel in V1 kits and many OEM applications. The upgraded trunions provide more stability at higher RPMs. These trunion kits can be used in anything from stock 4.8's all the way up to 1,000+hp turbo motors.
The BTR Trunnion Kit V2 helps the LS rocker arms handle similar to expensive roller rocker arms at a fraction of the cost. Additionally, these trunions feature a self-oiling axle with priority feeding to the Trunnion itself. The BTR Trunnion Kit V2 is compatible with LS1/LS3/99-13 LS truck-style rocker arms, including LS1 LS2 LS3 LS6 L99, LS4, LS9 LSA LQ4 LQ9 L76 L92 LR4 LM7 L59 LM4 L33 L98 L77 LY6 LFA LZ1 LY2 L20 LMF LH6 LY5 LMG LC9 LH8 LS4 4.8 5.3 5.7 6.0 6.2.
Upgrade your LS rocker arms with the BTR Trunnion Kit V2 for better stability and durability at higher RPMs, without breaking the bank.
- Upgraded pressed inner race made of 52100 Heat Treated Bearing Steel for durability
- Provides more stability at higher RPMs
- Compatible with a wide range of LS rocker arms
- Self-oiling axle with priority feeding to the Trunnion itself
- Helps LS rocker arms handle similar to expensive roller rocker arms at a fraction of the cost
2. Michigan Motorsports Ls Rocker Arm Trunion Upgrade Kit – Fits Gm Ls1 Ls2 Ls6 Ls3 4.8 5.3 5.7 6.0
Upgrade your LS series rocker arm with this Captured Roller Trunion Rocker Arm conversion kit. This kit is compatible with all GM LS style rocker arms, including LS1, LS2, LS3, LS6, L99, LS4, LS7, LS9, LSA, LQ4, LQ9, L76, L92, LR4, LM7, L59, LM4, and engines with 4.8, 5.3, 5.7, 6.0, 6.2, or 7.0 liters. The kit includes trunions, bearings, retaining clips, and new bolts to ensure a secure and reliable installation.
This conversion kit is an affordable and easy way to upgrade your engine's performance. The captured roller trunion design reduces friction and wear on the rocker arm, improving valve train stability and reducing the risk of failure. The kit also includes high-quality bearings and retaining clips to ensure proper alignment and retention of the trunion.
With this conversion kit, you can enjoy the benefits of a captured roller trunion rocker arm without the expense and hassle of purchasing new rocker arms. Whether you're building a high-performance engine or just want to improve the reliability of your stock engine, this conversion kit is a great choice.
- Compatible with all GM LS style rocker arms
- Includes trunions, bearings, retaining clips, and new bolts
- Affordable and easy to install
- Reduces friction and wear on the rocker arm
- Improves valve train stability and reduces the risk of failure
- – May require some technical knowledge to install
- – May not provide as significant of a performance increase as new rocker arms
3. Mms Ls1 Rocker Arms With Trunion Upgrade
Upgrade your LS motor with these professionally installed LS Rocker Arms featuring Bushing Style Bearing Trunions. This kit includes 16 new LS Rocker Arms and 16 Allen Head Bolts. Whether you have a stock or highly modified LS motor, these rocker arms with trunion kit are highly recommended. They are a must-have for any aggressive heads and cam combo. Compared to the stock bearings, the bushing bearing operates smoother and can operate at a higher RPM. The innovative design prevents premature failures that can cause severe engine damage.
The LS Rocker Arms with Bushing Trunion Kits are designed to provide superior lubrication and maximum load capability. The special C932 bushing material is bathed in oil via grooves at 2 different locations on the trunnion. These channels constantly feed oil to the bushing surface ensuring proper lubrication. The bushing design provides greater surface area that can support 300 times more load than a needle bearing trunnion. It gets more lubrication and has less load applied to it than the bushing in the small end of a connecting rod, giving it long service life.
- Professionally installed LS Rocker Arms with Bronze Bushing Style Bearing Trunions
- Provides superior lubrication and maximum load capability
- Innovative design prevents premature failures
- Long service life
- Suitable for both stock and highly modified LS motors
- Must-have for aggressive heads and cam combo
4. Ls1 Rocker Arm Upgrade Kit With Bronze Bushings
Upgrade your LS motor with these LS Rocker Arms featuring Bushing Trunion Kits from a reliable manufacturer. The package includes 16 new rocker arms with bushing style bearing trunions that have been professionally installed, 16 Allen head bolts, and a pair of rocker arm support pedestal stands. These rocker arms are suitable for LS1, LS2, LS3, LQ9 and LQ4 engines. The upgraded trunion kit is highly recommended for both stock and highly modified LS engines as the stock bearings tend to fail.
The LS Rocker Arms with Bushing Trunion Kits offer several advantages over the caged bearing style upgrade. The bushing bearing operates smoother and can sustain higher RPMs. The bushing design provides superior lubrication to the trunnion while also providing maximum load capability. This innovative design eliminates the possibility of debris from a bearing failure that can cause severe engine damage. The special C932 bushing material is bathed in oil via grooves at two different locations on the trunnion, ensuring proper lubrication. The greater surface of the bushed trunnion can support 300 times more load than a needle bearing trunnion, and it receives more lubrication and has less load applied to it than the bushing in the small end of a connecting rod, giving it long service life.
The package includes two stands, enough for both heads, and the LS Rocker Arms with Bushing Trunion Kits are a must-have for any aggressive heads and cam combo.
- Includes 16 new rocker arms with bushing style bearing trunions that have been professionally installed
- The bushing bearing operates smoother and can sustain higher RPMs
- Provides superior lubrication to the trunnion while also providing maximum load capability
- Eliminates the possibility of debris from a bearing failure that can cause severe engine damage
- The special C932 bushing material is bathed in oil via grooves at two different locations on the trunnion, ensuring proper lubrication
- The greater surface of the bushed trunnion can support 300 times more load than a needle bearing trunnion
- Includes two stands, enough for both heads
- – May not be suitable for engines other than LS1, LS2, LS3, LQ9 and LQ4
5. Ls Engine Upgrade Kit By Lvoup
This Trunnion and Bushing kit is a premium quality replacement part for LS engines. The trunions are made of high-quality iron using CNC lathe technology, while the bushings are made of high-quality copper. These materials ensure that the kit is durable and long-lasting, providing excellent performance. The kit is designed to fit all OEM LS Rocker Arms, making it a perfect replacement trunnion kit for LS engines. The bushings in this kit are designed to receive more lubrication and have less load applied to them, making them last longer than other bushings. It is recommended that a professional install the kit to avoid any damage. Each of the products has undergone strict quality inspection to ensure that it meets the highest standards. If you have any questions about the product, the after-sale customer service team is available to assist you.
Upgrade your LS engine with this Trunnion and Bushing kit for better performance and longevity. The kit is made of premium quality iron and copper, ensuring that it is durable and reliable. The kit is designed to fit all OEM LS Rocker Arms, making it a perfect replacement trunnion kit for LS engines. The bushings in this kit are designed to receive more lubrication and have less load applied to them, making them last longer than other bushings. The kit is recommended to be installed by a professional to avoid any damage. All products have undergone strict quality inspection to ensure that they meet the highest standards. If you have any questions about the product, the after-sale customer service team is available to assist you.
If you are looking for a high-quality replacement part for your LS engine, this Trunnion and Bushing kit is the perfect choice. The kit is made of premium quality iron and copper, ensuring that it is durable and reliable. It is designed to fit all OEM LS Rocker Arms, making it a perfect replacement trunnion kit for LS engines. The bushings in this kit are designed to receive more lubrication and have less load applied to them, making them last longer than other bushings. It is recommended that a professional install the kit to avoid any damage. Each product undergoes strict quality inspection to ensure that it meets the highest standards. If you have any questions about the product, the after-sale customer service team is available to assist you.
- Made of high-quality iron and copper for durability and reliability
- Designed to fit all OEM LS Rocker Arms
- Bushings receive more lubrication and have less load applied, making them last longer
- – Requires professional installation to avoid damage
6. Gskmotor Ls Rocker Arm Upgrade Kit
The COMP Cams GM LS Series retrofit trunion kits are the ideal solution for those looking to convert their stock LS Series rocker arms into captured roller trunions for high-rpm race applications. These kits are designed to handle much higher RPMs than the factory rocker arms, and are more economical than purchasing new race rocker arms. The kit is compatible with 1997-NOW LS1/LS2/LS3/LS6/LS7 4.8/5.3/5.7/6.0/6.2/7.0 Engines as well as 1997-2004 Chevrolet and 1998-2002 Pontiac models.
The installation of this kit is quite simple and can be done with the use of a press or a simple vise along with basic hand tools. In addition, the kit includes 16 rocker arm trunnions, 32 rocker arm bearings, 32 rocker arm retaining rings, 16 bolts for LS trunnion kit, and 2 washers for pressing trunnions. This ensures that all the necessary components are included for a smooth installation process.
COMP Cams is known for producing high-quality products and this retrofit trunion kit is no exception. The company offers fast delivery and excellent after-sales service to ensure customer satisfaction.
- Economical solution for high-rpm race applications
- Designed to handle much higher RPMs than factory rocker arms
- Simple installation process with included components
- Compatible with a wide range of LS Series engines and models
- Produced by a reputable and trusted brand
7. X Autohaux Ls Engine Rocker Arm Kit
The Rocker Arm Trunnion Upgrade Kit is a reliable and durable solution for GM, Chevrolet, and Pontiac LS engines with 4.8, 5.3, 5.7, 6.0, and 6.2 LS1. The package includes 16 Rocker Arm Trunnions, 32 Rocker Arm Bearings, 32 Rocker Arm Retaining Rings, 16 Bolts, and 2 Washers, providing all necessary components for a successful installation. The kit is easy to install with basic hand tools and the use of a press or simple vise.
These upgrade kits are made of high-quality metal that ensures long-lasting performance, making them suitable for LS style rocker arms. The bolts have a size of 53x13mm / 2.09"x0.51"(H*D) and a thread diameter of M8x1.25. The washers have a size of 17x32mm / 0.67"x1.26"(ID*OD). The Rocker Arm Trunnions have a size of 41x19mm / 1.61"x0.75"(H*D) and an inner diameter of 8mm / 0.31".
Upgrade your engine with the Rocker Arm Trunnion Upgrade Kit and enjoy improved performance and reliability.
- Made of high-quality metal for long-lasting performance
- Suitable for LS style rocker arms
- Easy to install with basic hand tools
- Includes all necessary components for installation
8. Ultra Upgraded Ls Rocker Arms
The AMS Racing LS Series Retrofit Trunion Kit is an excellent upgrade to stock LS Series rocker arms for added durability in high horsepower applications. The kit includes 16 Gen III LS Series Rocker Arm bodies, 16 rocker arm trunnions, 32 rocker arm bearings, and 32 rocker arm retaining rings.
This retrofit trunion kit is specifically designed to convert stock LS Series rocker arms into captured roller trunnions, replacing the cageless and loose OEM needle bearings and powdered metal trunion with a premium 8620 steel alloy trunion and caged roller bearings. The use of caged roller bearings greatly reduces the possibility of bearing failure, which can lead to loose needles being sent throughout the engine upon failure.
This kit is suitable for use with a maximum .600" lift camshaft in LS1, LS2, LS6, LR4, Vortec 5300, LM7, L59, LM4, L33 – 4.8 5.3 5.7 6.0 engines.
Upgrade your stock LS Series rocker arms with the AMS Racing LS Series Retrofit Trunion Kit for added durability in high horsepower applications.
- Easy to install
- Premium 8620 steel alloy trunion and caged roller bearings for added durability
- Greatly reduces possibility of bearing failure
- – Suitable for use with a maximum .600" lift camshaft only
9. Michigan Motorsports Ls1 Rocker Arm Trunion Install Tool – 4.8 5.3 5.7 6.0 6.2 7.0 Ls2 Ls3 Bushing
Upgrading LS rocker arms has never been easier with the LS Rocker Arm Trunion Install Tool. This tool simplifies the installation of trunion upgrade kits, which can be used on both bearing and bushing style trunions. It is perfect for assisting with assembly and disassembly, making the job quick and easy. With this tool, you can upgrade LS rocker trunnions in less than 30 minutes, saving you time and effort.
The LS Rocker Arm Trunion Install Tool is designed to work with a vise, press, and c-clamp, making it a versatile tool that can be used in any toolbox. Its embedded magnet allows for one-handed assembly, making it even more convenient to use. It is important to note that the rocker arm and trunions in the pictures are not included.
This LS engine helper is a must-have for anyone who owns an LS1, LS2 LS3, LS6, or LS7 engine. Upgrade your factory rockers with ease using this tool.
- Easy installation of trunion upgrade kits
- Can be used on both bearing and bushing style trunions
- Assists with assembly and disassembly
- Versatile tool that works with a vise, press, and c-clamp
- Embedded magnet allows for one-handed assembly
- Upgrades LS rocker trunnions in less than 30 minutes
10. Anngo Ls Rocker Arm Trunion Upgrade Kit – Fits Gm Ls1 Ls2 Ls6 Ls3 4.8 5.3 5.7 6.0
This LS Series retrofit trunion kit is a complete package that is designed to convert stock LS Series rocker arms into captured roller trunions, making them suitable for high-rpm race applications. The installation process of these kits is simple and easy, and they fit all LS1/LS2/LS3/LS6/LS7- 4.8/5.3/5.7/6.0/6.2/7.0 engines.
The package includes rocker arm trunions, rocker arm bearings, and rocker arm retaining rings, which means you do not have to buy any other components. The size of the kit is as shown in the picture.
- Suitable for high-rpm race applications
- Easy installation process
- Complete package with all necessary components included
Best Ls Rocker Trunion Upgrade FAQs
Can I install an LS rocker trunion upgrade myself or do I need a professional mechanic?
Yes, you can install an LS rocker trunion upgrade yourself with the right tools and knowledge. However, it is important to note that this task requires a certain level of expertise and experience. It involves removing the valve covers, disassembling the rocker arms, and installing the trunion upgrade kit. If you have experience working on engines and feel comfortable with this process, then you can attempt to install the upgrade yourself. However, if you are not confident in your abilities or lack the necessary tools, it may be best to seek the assistance of a professional mechanic. A skilled mechanic will have the necessary tools and experience to perform the job correctly and efficiently, ensuring that your engine operates at its best. Ultimately, the decision to do it yourself or hire a professional depends on your level of skill, experience, and comfort with the process.
How do I know if my LS engine needs a rocker trunion upgrade?
One of the most common signs that your LS engine may need a rocker trunion upgrade is excessive valvetrain noise. This noise can sound like a ticking or tapping sound that becomes more pronounced as the engine revs higher. Another indication that you may need a rocker trunion upgrade is if you're experiencing valve float at high RPMs. This can cause a loss of power and poor performance. Additionally, if you're running a high-lift camshaft or using aftermarket valve springs, a rocker trunion upgrade may be necessary to prevent premature wear and failure of the rocker arms. It's always a good idea to consult with a qualified mechanic or engine builder who is familiar with LS engines to determine if a rocker trunion upgrade is necessary for your specific engine setup. Regular engine maintenance and inspection can also help catch any potential issues before they become major problems.
How much does it cost to upgrade the rocker trunion on an LS engine?
The cost to upgrade the rocker trunion on an LS engine can vary depending on the specific parts and labor involved. Typically, the cost of the rocker trunion upgrade kit ranges from $200 to $500. However, the final cost can also depend on the brand and quality of the kit you choose, as well as the labor costs involved in installing the new parts. Additionally, if you choose to upgrade other engine components at the same time, such as the camshaft or valve springs, the cost can increase further. It is always best to consult with a professional mechanic or engine builder to get an accurate estimate of the cost to upgrade the rocker trunion on your LS engine. Overall, the cost of this upgrade is a worthwhile investment for those looking to improve the performance and reliability of their LS engine.
What are the benefits of upgrading my LS engine's rocker trunion?
Upgrading your LS engine's rocker trunion can provide various benefits that can improve your engine's performance. The primary benefit of upgrading your rocker trunion is that it provides more stabilization to the rocker arms, which allows them to handle higher loads and operate more efficiently. This can result in better valve train stability, improved valve lift and duration, and increased horsepower and torque.
Another benefit of upgrading your LS engine's rocker trunion is that it reduces wear and tear on your engine's components. This is because the upgraded trunion provides better lubrication and reduces friction between the rocker arms and the valve stems. This, in turn, can prolong the life of your engine and reduce the risk of premature failure.
Upgrading your LS engine's rocker trunion can also help to eliminate or reduce the risk of common issues that can occur with the stock trunion, such as rocker arm failure, valve float, and excessive valve train noise. Overall, upgrading your LS engine's rocker trunion can provide significant benefits and improve your engine's performance and reliability.
What is an LS rocker trunion upgrade and why is it necessary?
An LS rocker trunion upgrade is a modification made to the rocker arm assembly of an LS engine. The rocker arm assembly is responsible for transferring the motion of the camshaft to the valves, which allows the engine to intake and exhaust air and fuel. The trunion is the small component that connects the rocker arm to the pushrod and valve.
The LS engine is equipped with a stock trunion that is prone to failure due to its design. The stock trunion is a needle bearing that has a tendency to break and cause catastrophic engine failure. This is especially common in high-performance applications where the engine is subjected to more stress.
To prevent this issue, an LS rocker trunion upgrade is necessary. This involves replacing the stock trunion with a more durable and reliable design, such as a bronze bushing or a captured roller trunion. These upgrades provide better lubrication and more stability to the rocker arm assembly, which reduces the risk of failure and ensures the engine operates smoothly.
Overall, an LS rocker trunion upgrade is a crucial modification for any LS engine that is used for high-performance purposes. It provides added reliability and durability to the engine, which can prevent costly repairs and potential engine failures.