We all know that the best ls3 trunion upgrade is one of many out there. That’s why we’ve taken 30096 reviews from top experts and organized them according to our rankings for you.
We know how hard it is to find a great ls3 trunion upgrade, which is why our team went through the whole research process and put up this list for you. These are just some of their favorites!
We have been exhaustive in our search for the perfect ls3 trunion upgrade of 2026. If quality matters most, then check this list:
Bestseller No. 1
BTR V2 Trunnion Kit LS Premium Rocker Arm Trunion LS LS1 LS3 4.8 5.3 5.7 6.0 6.2 TK002 - BTR Brian Tooley Racing V2 Premium LS Rocker Trunnion Kit
- Fits: LS1 LS2 LS3 LS6 L99 LS4 L99 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
- The all new Trunnion Kit V2 features a Trunnion with pre-installed inner race bearings. The V1 kits have stood up to an enormous amount of abuse, but we decided to upgrade them to a pressed inner race comprised of 52100 Heat Treated Bearing Steel, over the more commonly used 8620 Carburized Steel found in our V1 kits and many OEM applications.
- Additionally, these feature a self oiling axle with priority feeding to the Trunnion itself.
- This Kit Includes: Brian Tooley Racing V2 Trunnions, Brian Tooley Racing Caged Roller Bearings, Brian Tooley Racing LS Trunnion Clips, LS Trunnion Install Washers
Bestseller No. 2
Michigan Motorsports LS Rocker Arm Trunnion Upgrade Kit | High-Performance Bearing Upgrade | Fits GM LS1 LS2 LS3 LS6 4.8L 5.3L 5.7L 6.0L Engines - High-Strength Construction: The Michigan Motorsports LS Rocker Arm Trunnion Kit is engineered with heavy-duty steel trunnions and high-load needle bearings, ensuring maximum durability and performance for your GM LS engine.
- Wide Compatibility: Designed to fit 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, LS1, LS2, LS3, LS6, L99, LS4, LS7, LS9, LSA, LQ4, LQ9, L76, L92, LR4, LM7, L59, LM4 engines.
- Enhanced Valve Train Stability: This kit reduces valve train wear and prevents common factory rocker arm trunnion failures, making it ideal for high-RPM and aggressive camshaft applications.
- Easy Installation: The Michigan Motorsports LS Trunnion Kit includes all necessary hardware and detailed instructions, allowing for a straightforward installation that minimizes downtime.
- Improved Performance and Reliability: By reducing friction and increasing load capacity, this trunnion upgrade improves horsepower and torque output while ensuring consistent, long-lasting performance under extreme conditions.
Bestseller No. 3
Michigan Motorsports LS3 Rocker Arms with Trunnion Upgrade Installed - Fits 6.0L 6.2L L99 L76 L92 L96 LSA Ly6 L77 LS9 - Ideal for Boosted & Cammed LS Engines - Trunnion Upgrade Installed for Maximum Strength: Forget needle bearing failure—these LS3 rocker arms come fully assembled with premium trunnions that are built to survive high-RPM abuse, big boost, and aggressive cam profiles.
- Engineered for LS3 6.0L & 6.2L Platforms: Compatible with GM’s most popular LS engines including L99, L76, L92, L96, LSA, LS9, LY6, and L77, these rockers are the go-to for serious performance upgrades across a wide range of LS builds.
- Ideal for Boosted, Cammed & High-Revving Builds: If you're running a turbo, blower, nitrous, or high-lift cam, these rockers deliver the stability and precision needed to keep your valvetrain locked in at full throttle.
- No Assembly Required – Bolt On & Go: Pre-assembled with upgraded trunnions so you can spend less time in the garage and more time tearing up the street or track. A true drop-in upgrade for the DIY or pro-level builder.
- Superior Oiling & Longevity Under Pressure: The upgraded design delivers better oil flow and bearing surface contact, reducing friction, cutting heat, and extending component life when things get hot under the hood.
Bestseller No. 4
BTR V2 Trunnion Kit with Bolts Premium Rocker Arm Trunion LS LS1 LS3 4.8 5.3 5.7 6.0 6.2 TK002 - BTR Brian Tooley Racing V2 Premium LS Rocker Trunnion Kit
- Fits: LS1 LS2 LS3 LS6 L99 LS4 L99 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
- The all new Trunnion Kit V2 features a Trunnion with pre-installed inner race bearings. The V1 kits have stood up to an enormous amount of abuse, but we decided to upgrade them to a pressed inner race comprised of 52100 Heat Treated Bearing Steel, over the more commonly used 8620 Carburized Steel found in our V1 kits and many OEM applications.
- Additionally, these feature a self oiling axle with priority feeding to the Trunnion itself.
- This Kit Includes: Brian Tooley Racing V2 Trunnions, Brian Tooley Racing Caged Roller Bearings, Brian Tooley Racing LS Trunnion Clips, LS Trunnion Install Washers & Brian Tooley Racing LS Rocker Arm Bolts Qty 16
Bestseller No. 5
BTR Brian Tooley Racing LS Rocker Arm Trunbion Kit (TK001) | Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS2 LS3 LQ4 LM7 LM4 Engines | Upgraded Bearing Trunnion Kit - Eliminates Factory Trunnion Failure Points: Replaces weak OEM needle bearings that are prone to failure with a captured bearing design, preventing loose needles from damaging your engine and significantly improving long-term reliability.
- Captured Bearing Upgrade Design: Features a full captured trunnion system that keeps all internal components securely in place, providing smoother operation and consistent performance under high RPM and heavy valvetrain loads.
- Built for Performance and High RPM Use: Designed to handle increased valve spring pressures and aggressive camshaft profiles, making it ideal for cammed engines, upgraded valvetrains, and performance-focused LS builds.
- Wide LS Engine Compatibility: Fits a broad range of LS engines including 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L platforms such as LS1, LS2, LS3, LQ4, LM7, and LM4, making it a versatile upgrade for both car and truck applications.
- Cost-Effective Valvetrain Upgrade: Allows you to strengthen your factory rocker arms without the expense of full aftermarket rocker assemblies, delivering improved durability and performance at a fraction of the cost.
Bestseller No. 6
Michigan Motorsports LS1/LS3 Bronze Bushing Rocker Arm Trunnion Upgrade Kit | Fits LS1, LS3, LS7, LT1, LSX, LQ9, LS2, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L | High-Performance LS Upgrade - Upgraded Bronze Bushing Rocker Arm Trunnions – Eliminates factory needle bearings that can fail under high-RPM stress, reducing engine wear and improving longevity.
- Direct Fit for LS Engines – Compatible with LS1, LS3, LS7, LT1, LSX, LQ9, LS2, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, and 7.0L engines, offering a hassle-free installation.
- CNC-Machined Precision Fit – High-strength trunnions ensure optimal alignment, increased rocker arm stability, and improved valvetrain efficiency.
- Built for Performance Applications – Designed for naturally aspirated, turbocharged, and supercharged LS builds, making it a reliable upgrade for high-horsepower engines.
- Proven Durability for Street & Track Use – Tested for long-lasting performance under extreme conditions, ensuring maximum power output and reliability.
Bestseller No. 8
RJSPHH 13702 Rocker Arm Trunnion Upgrade Kit WITH Bolts for GM LS1 LS2 LS6 LS3 4.8 5.3 5.7 6.0 - Fits LS1 LS2 LS3 LS6 L99, LS4, LS7, LS9 LSA LQ4 LQ9 L76 L92 LR4 LM7 L59 LM4 4.8 5.3 5.7 6.0 6.2 7.0
- 16 x Rocker Arm Trunnions, 32 x Rocker Arm Bearings, 32 x Rocker Arm Retaining Rings, 16 x Bolts, 2 x Washers
- Increases stability and stiffness
- These LS Series retrofit trunion kits are designed to convert stock LS Series rocker arms into captured roller trunions for high-rpm race applications.
- These are more economical than new race rocker arms, and can handle much higher RPM than the factory ones.
Bestseller No. 9
CHE4290 LS Trunnion Kit with LS Rocker Arm Bolts | Fits LS1 LS2 LS6 LQ4 LQ9 LY5 LY6 LM7 5.3L 5.7L 6.0L 6.2L | High Performance Trunion Upgrade Kit - CHE 4290 LS Trunnion Kit with Upgraded LS Rocker Arm Bolts. WILL NOT FIT GEN V LT or LS7 applications.
- High Performance Kit: Engineered with aerospace-grade alloy trunnions, this kit ensures superior valve train stability and durability for LS engines, making it perfrect for cam swaps and high-RPM applications.
- LS Rocker Arm Bolts Included: Complete your upgrade with precision-engineered LS rocker arm bolts, designed for maximum clamping force.
- Enhanced Reliability & Power: The CHE4290 Trunnion kit and rocker arm bolts provide reduced friction, improved valve train efficiency, and consistent performance under extreme conditions.
- Wide Compatibility for GM LS Engines: Ideal for LS cam swaps, engine rebuilds, and performance upgrades, this kit fits: LS1, LS2, LS3, LS6, LQ4, LQ9 engines and more!
Bestseller No. 10
BTR Brian Tooley Racing LS3 Rocker Arms with Upgraded Trunnion Kit Installed -Fits L99 L92 LSA L96 L76 L77 LY6 L94 Rectangle Port Rockers - TK002 V2 - BTR Built. Track Proven: These LS3 rocker arms are 46% stronger than stock and feature a 1.7 ratio with an extended tip design—engineered to handle serious lift and abuse without flinching.
- TK002 V2 Trunnions Pre-Installed: Fully assembled with BTR’s V2 trunnion upgrade—heat-treated 52100 bearing steel and a self-oiling axle mean long-haul durability and no guesswork.
- Race-Ready Reliability: Whether you're banging gears on the strip or spinning it to the moon on the dyno, this setup brings hardcore stability and keeps your valvetrain in check.
- LS Rectangular Port Fitment: Direct fit for LS3, L99, L92, L96, LSA, L94, LY6, L76, and L77 engines. Perfect for your cammed street car, boosted build, or full-blown track weapon.
- No Press Tools. No Drama: Trunnions are pre-installed—just drop 'em in and torque. No need for a shop press or hours in the garage wrestling old rockers.
How Do We Test Ls3 Trunion Upgrade
If you’re looking for an unbiased opinion on any product, we’ve got your back. Our reviews are rigorous and thorough – taking all factors into account, including design, features, price-to something else that matters most in making an informed decision before purchasing one of these items!
Factors to Consider Before Purchasing Ls3 Trunion Upgrade
What’s the point of a buying guide if you don’t know what factors to consider before purchasing ls3 trunion upgrade?
- Satisfy your need
- Features & Specifications
- Quality & Durability
- Brand Value
- Customer Reviews & Ratings
- Price
- Customer Service
You may be wondering why you need to consider some factors about a ls3 trunion upgrade before purchasing. It’s because there are so many things that can go into making your decision, and knowing all of them upfront will help keep any surprises later on in life!
What’s The Best Place To Purchase Ls3 Trunion Upgrade
Online shopping is the way of 2026, and if you want to make sure that your purchase will be an excellent one, then there’s no better place than online. You’ll have access to so many more products in different shapes, sizes, colors, and flavors brands with unbeatable prices.
There are so many different options when it comes to choosing a new ls3 trunion upgrade, and we truly believe that you should do your research before making such an important purchase. The questions might include:
- Should I buy a new, used, or refurbished ls3 trunion upgrade?
- Do you really need the high quality ls3 trunion upgrade there is?
- What are must-have features for ls3 trunion upgrade?
- Best time to buy a ls3 trunion upgrade?
- What are the benefits of buying ls3 trunion upgrade?
- Why is it critical to invest in a good in today’s market, particularly the best one?
In our opinion, investing in a good, high-quality ls3 trunion upgrade will make you feel confident about your purchase. You can tell that the company put effort into making sure it was top-notch and took their time with designing everything from packaging to graphics for marketing purposes because this makes them seem more reliable than competitors who don’t invest so much money on these things (especially if they’re cheap). Plus, having quality materials ensures longevity which is always nice.
Tips For Being A Smart Online Shopper
When shopping for a product online, be sure to read the reviews before making a purchase. This can give you a good idea of what to expect from the product and can help you decide if it’s the right fit for your needs. Additionally, be sure to check the return policy and shipping times before buying anything. This way, if you’re not happy with the product, you can easily return it without any hassle. And if you need the product quickly, you’ll know that it will arrive in a timely manner.
When looking for a ls3 trunion upgrade, be sure to compare prices from different retailers. This way, you can be sure you’re getting the best deal possible. Additionally, be sure to read the fine print before making any purchase, as some retailers may have hidden fees or charges. By taking the time to do your research, you can be sure you’re getting the best possible deal on the product you want.
These are just a few things to keep in mind when shopping for a product. By taking the time to consider your needs and doing your research, you can be sure you’re getting the best possible product for your needs. And if you have any questions, be sure to contact customer service or the retailer before making your purchase.
FAQs About Best Ls3 Trunion Upgrade
What is More Important: a Good Product or a Good After-sales Service?
When it comes to choosing a ls3 trunion upgrade, many people prioritize the quality of the product itself. However, after-sales service can be just as important, especially if something goes wrong with the product. So when it comes to choosing a product, it’s important to weigh both factors and decide which is more important to you. If quality is your main concern, be sure to choose a product that comes from a reputable brand and has good reviews. However, if you’re more concerned with after-sales service, be sure to choose a product from a company that offers excellent customer service.
How to Save Money When Buying Online?
When shopping for a ls3 trunion upgrade online, there are a few things you can do to save money. First, be sure to compare prices from different retailers before making a purchase. This way, you can be sure you’re getting the best deal possible. Additionally, be sure to read the fine print before making any purchase, as some retailers may have hidden fees or charges. By taking the time to do your research, you can be sure you’re getting the best possible deal on the product you want. Additionally, you can also sign up for Amazon Prime, which gives you access to exclusive deals and free shipping on many items. So if you’re looking for the best possible deal on Amazon.
Bottom Line
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As a prospective buyer, it’s important that you research the product thoroughly before purchasing. There are many online forums where people can share their knowledge and experiences with different products in order to help guide your decision on what is best for yourself.
With our guide, you can find the best ls3 trunion upgrade available on the e-commerce market. We make use of Big Data and AI data to compile this list, so it is highly accurate.
The process of creating this content was challenging, but our team persevered through it to bring you the best possible results. We read user reviews and looked at what buyers think about each product so that your buying experience will be satisfying.
