Looking for the best upgraded trunnion kits for your engine? We offer a simple, engaging guide to help you choose a reliable kit with confidence.
Upgraded trunnion kits make your engine feel strong and sure. They give you smooth motion and real peace of mind.
You feel the change fast. You hear less noise. You trust the parts more.
Many drivers share how these kits made their engines feel new again. Their stories show how the right trunnion upgrade can boost power and protect key parts. You will feel ready to choose the best kit with full confidence.
List of Top 10 Upgraded Trunnion Kits
| Image | Title | Best For | Price |
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BTR V2 Trunnion Kit LS Premium Rocker Arm Trunion LS LS1 LS3 4.8 5.3 5.7 6.0 6.2 TK002 |
This kit is great for car fans. It helps your engine stay strong and safe. |
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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 |
This upgrade kit is perfect for anyone with a GM LS engine who wants better performance and reliability. It’s great for high-RPM use or aggressive camshafts, ensuring your engine runs smoothly and lasts longer. |
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Michigan Motorsports LS1 Rocker Arms with Upgraded Trunnions | Fits 1999-2013 4.8L 5.3L 5.7L Cathedral Port LS & 1999-2006 6.0L LS Engines | Complete Set of 16 Ready-to-Install Rockers |
This product is perfect for anyone rebuilding or upgrading their LS engine. It’s ideal for stock refreshes, performance builds, or LS swaps, offering reliable, ready-to-install rocker arms for smoother and stronger valvetrain performance. |
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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 |
This kit is perfect for anyone who wants a strong, safe, and smooth-running LS engine. It fits builders who want more power without risk. |
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BTR V2 Trunnion Kit with Bolts Premium Rocker Arm Trunion LS LS1 LS3 4.8 5.3 5.7 6.0 6.2 TK002 |
This product is perfect for anyone who wants strong, smooth, and reliable rocker performance in their LS engine. It’s great for builders who want better durability and easy upgrades without stress. |
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BTR Brian Tooley Racing LS1 Rocker Arms with Upgraded Trunnion Kit Installed -Fits LS1 LS2 LS6 LQ4 LM7 L33 LC9 Cathedral Rockers |
This kit is for car fans who want strong parts. It helps your LS engine run well. These rocker arms are tough and safe. They are easy to use. |
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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 |
These strong parts are for car fans. They fix and help your LS3 engine run fast and smooth. |
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EPChunMi Rocker Arm Upgraded Trunnions kit for all LS 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L engines(no bolts) |
Perfect for LS engine builders who want a strong, simple upgrade for better high-RPM stability and smooth use. It is also a great fit for drivers and repair shops that need a direct OE-style replacement for many 4.8L to 7.0L LS engines. |
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Michigan Motorsports LS1/LS3 Bronze Bushing Rocker Arm Trunnion Upgrade Kit with Bolts and Install Washers | Fits LS1, LS3, LS7, LSX, LQ9, LS2, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L |
This upgrade kit is perfect for car enthusiasts who want to boost their LS engine’s performance. It’s ideal for high-revving setups, whether naturally aspirated, turbocharged, or supercharged. |
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Comp Cams 13702 Trunnion Upgrade Kit for GM LS1/LS2/LS3/LS6 Rocker Arms. |
This kit is great for anyone who wants more power, more control, and more strength from an LS engine. It fits people who want a fast, smooth ride with stable and stiff rocker arms. |
Detailed Reviews
Discover the top 10 Upgraded Trunnion Kits for your LS engine, handpicked for performance and reliability. Each kit is expert-reviewed and customer-approved, ensuring you get the best value for your upgrade. Whether you’re racing or cruising, this guide helps you find the perfect fit for smooth, powerful engine performance.
1. BTR V2 Trunnion Kit LS Premium Rocker Arm Trunion LS LS1 LS3 4.8 5.3 5.7 6.0 6.2 TK002

The BTR V2 Trunnion Kit gives your LS engine smooth and strong rocker action. It is built for long life and clean motion.
The parts are tough. The steel is strong. The oil flow is smart.
You get V2 trunnions, caged bearings, and secure clips in one kit. The fit works with many LS engines. The setup is simple and clear.
| Pros | Cons |
|---|---|
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Perfect For:
This kit is great for car fans. It helps your engine stay strong and safe.
Ready to Purchase?
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

Upgrade your engine now. It fits LS engines well.
This kit replaces old parts. It uses strong steel. Your car runs smooth.
The parts last long. Install them fast and easy. Get more power today.
| Pros | Cons |
|---|---|
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Perfect For:
This upgrade kit is perfect for anyone with a GM LS engine who wants better performance and reliability. It’s great for high-RPM use or aggressive camshafts, ensuring your engine runs smoothly and lasts longer.
Ready to Purchase?
3. Michigan Motorsports LS1 Rocker Arms with Upgraded Trunnions | Fits 1999-2013 4.8L 5.3L 5.7L Cathedral Port LS & 1999-2006 6.0L LS Engines | Complete Set of 16 Ready-to-Install Rockers

This is a set of 16 rocker arms. They have new trunnion bearings. Each part is ready to install.
The 8620 steel parts add strength. They fit LS engines for easy swaps.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for anyone rebuilding or upgrading their LS engine. It’s ideal for stock refreshes, performance builds, or LS swaps, offering reliable, ready-to-install rocker arms for smoother and stronger valvetrain performance.
Ready to Purchase?
4. 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

Fix your engine. It stops failures fast. Strong parts last.
This kit fits LS engines. It boosts speed now.
| Pros | Cons |
|---|---|
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Perfect For:
This kit is perfect for anyone who wants a strong, safe, and smooth-running LS engine. It fits builders who want more power without risk.
Ready to Purchase?
5. BTR V2 Trunnion Kit with Bolts Premium Rocker Arm Trunion LS LS1 LS3 4.8 5.3 5.7 6.0 6.2 TK002

The BTR V2 Trunnion Kit is a strong LS rocker arm upgrade made for many LS engines. It uses heat-treated bearing steel and a self-oiling axle for smooth, steady use.
It comes with trunnions, roller bearings, clips, washers, and bolts. It fits many 4.8, 5.3, 5.7, 6.0, and 6.2 engines. It is built for easy install and long life.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for anyone who wants strong, smooth, and reliable rocker performance in their LS engine. It’s great for builders who want better durability and easy upgrades without stress.
Ready to Purchase?
6. BTR Brian Tooley Racing LS1 Rocker Arms with Upgraded Trunnion Kit Installed -Fits LS1 LS2 LS6 LQ4 LM7 L33 LC9 Cathedral Rockers

BTR Brian Tooley Racing LS1 Rocker Arms are a must-have upgrade for your LS engine. They fit 1997-2013 cathedral port LS heads and come with an upgraded trunnion kit installed.
These rocker arms are 46% stronger than stock, have an extended tip design, and offer superior performance. They eliminate the risk of broken rockers, improve valve lift, and maximize RPM capability.
| Pros | Cons |
|---|---|
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Perfect For:
This kit is for car fans who want strong parts. It helps your LS engine run well. These rocker arms are tough and safe. They are easy to use.
Ready to Purchase?
7. 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 LS3 Rocker Arms are built tough for high-performance engines. They’re 46% stronger than stock and handle serious lift with ease. Perfect for track-proven power.
Pre-installed trunnions save you time and hassle. No press tools needed. Just drop them in and go.
Fits LS rectangular port engines like LS3, L99, and more. Ideal for cammed street cars or full-blown track builds. Race-ready reliability guaranteed.
| Pros | Cons |
|---|---|
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Perfect For:
These strong parts are for car fans. They fix and help your LS3 engine run fast and smooth.
Ready to Purchase?
8. EPChunMi Rocker Arm Upgraded Trunnions kit for all LS 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L engines(no bolts)

The EPChunMi Rocker Arm Upgraded Trunnions kit fits all LS engines. It includes 8 trunnions, 16 bearings, and more. This kit is strong, reliable, and built to last.
These parts work with many LS engines to keep your engine running smooth and fast. Our support team is ready to help you anytime.
| Pros | Cons |
|---|---|
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Perfect For:
Perfect for LS engine builders who want a strong, simple upgrade for better high-RPM stability and smooth use. It is also a great fit for drivers and repair shops that need a direct OE-style replacement for many 4.8L to 7.0L LS engines.
Ready to Purchase?
9. Michigan Motorsports LS1/LS3 Bronze Bushing Rocker Arm Trunnion Upgrade Kit with Bolts and Install Washers | Fits LS1, LS3, LS7, LSX, LQ9, LS2, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L

This kit upgrades your rocker arms. It replaces old needle bearings now. Your LS engine will run smooth.
The bronze bushings last a long time. They fit LS1 and LS3 heads well. Each kit has new bolts too.
Strong steel washers help you install. These parts boost engine life fast.
| Pros | Cons |
|---|---|
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Perfect For:
This upgrade kit is perfect for car enthusiasts who want to boost their LS engine’s performance. It’s ideal for high-revving setups, whether naturally aspirated, turbocharged, or supercharged.
Ready to Purchase?
10. Comp Cams 13702 Trunnion Upgrade Kit for GM LS1/LS2/LS3/LS6 Rocker Arms.

This 13702KIT fits LS engines. It meets high NASCAR specs. Use it for race applications.
It converts a stock rocker. This adds a roller trunnion. It adds stiffness too.
This kit boosts stability. It is LS engine proven.
| Pros | Cons |
|---|---|
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Perfect For:
This kit is great for anyone who wants more power, more control, and more strength from an LS engine. It fits people who want a fast, smooth ride with stable and stiff rocker arms.
Ready to Purchase?
Buying Guide
Upgraded kits help. They cut noise. Engines run well.
Many people like these new parts. They feel safe on the road. The car works great.
Fitment
Check the engine type. A good fit makes it easy. It will work fast.
Material
Buy strong steel. It lasts long. It stays tough.
Bearings
Pick smooth rollers. They cut heat. They stay quiet.
Setup
Get a full kit. It saves time. Use simple tools.
Life
Look for hard parts. They resist wear. They stay strong.
Power
Find fast kits. They boost speed. The car gains.
Brand
Trust top names. They help you. They test parts.
Price
Watch the cost. Get high value. Do not overspend.