What is the main benefit of this trunnion upgrade kit?

This kit upgrades your stock LS rocker arms with captured roller trunnions. This design increases stability and stiffness, making the valvetrain more robust for modified or demanding engine applications.

How long does it typically take to install this kit?

Installation is generally straightforward and can often be completed in about 30 minutes. You can typically use a C-clamp or a bench vise for the installation process.

Does this kit require any other special parts to work with my stock rocker arms?

No, this trunnion kit is designed to be compatible with your stock LS rocker arm geometry. It converts the stock rocker arms to a captured trunnion design without altering the fundamental setup.

COMP Cams LS Rocker Arm Trunnion Kit 13702-KIT

Name: COMP Cams Trunnion Kit LS-Type Rocker Retrofit
Brand: COMP Cams
Price: 209.40 USD
Availability: InStock

COMP Cams Trunnion Kit LS-Type Rocker Retrofit

$209.40

Only 5 left in stock

COMP Cams LS-Type Rocker Arm Retrofit Trunnion Kit. Upgrades stock LS rocker arms for modified applications, increasing stability and stiffness.

Key Features

This kit includes components to upgrade stock GM LS-series rocker arms with captured roller trunnions.
Designed for modified applications, it increases stability and stiffness in the valvetrain.
Proven effective in NASCAR-spec LS engines for demanding conditions.
Compatible with stock rocker arm geometry.
Installation is straightforward, often taking around 30 minutes with a C-clamp or bench vise.
Fits a wide range of GM vehicles with LS-type engines.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

What you get in this kit are the components to upgrade your stock GM LS-series rocker arms with captured roller trunnions. This is a popular modification for engines that have been worked over, especially those looking for improved stability and stiffness under higher stress. The NASCAR-spec LS engine has proven the effectiveness of this design, showing it can handle more demanding conditions.

This trunnion kit is designed to work with your existing rocker arm geometry, meaning you don't have to change the fundamental setup of your valvetrain. It's a well-built upgrade that can be installed relatively quickly, often in about 30 minutes using common tools like a C-clamp or a bench vise. This makes it a practical choice for those looking to enhance their engine's performance without a massive overhaul.

This kit fits a wide range of GM vehicles equipped with LS-type engines, including popular models like the Chevrolet Camaro, Cadillac CTS, and GMC Yukon. It's a solid option for anyone rebuilding or modifying their LS engine and wanting that extra bit of reliability in the valvetrain.