Description
Upgrade the durability and stability of your Chevrolet LS engine’s valvetrain with the Mastodon LS Rocker Arms Trunnion Kit. This high-quality kit replaces the factory rocker arm trunnions with stronger, more robust components, significantly reducing the risk of failure under high RPM and aggressive use. Designed for all Gen III and Gen IV LS series engines, this kit provides increased rigidity and improved valvetrain geometry, leading to enhanced engine reliability and potentially increased performance. The Mastodon trunnion kit is a direct bolt-in upgrade and is essential for anyone looking to improve the longevity and strength of their LS engine’s rocker arm system, whether for performance driving, racing, or general reliability. Get your Mastodon LS Rocker Arms Trunnion Kit now!
Key Features:
- Designed for Chevrolet LS Engines: Compatible with all Gen III and Gen IV LS series engines.
- Upgraded Trunnion Material: Typically made from hardened steel for increased strength and durability.
- Reduces Risk of Trunnion Failure: A common weak point in the factory LS valvetrain.
- Enhances Valvetrain Stability: Provides more consistent and reliable valve operation.
- Improved Valvetrain Geometry: Can lead to better performance and reduced wear.
- Direct Bolt-In Replacement: Easy to install with no machining required.
- Ideal for Performance and Reliability: Suitable for street performance, racing, and daily driving.
- Includes All Necessary Hardware: Comes with trunnions, bearings, and bolts for a complete installation.
Why Choose the Mastodon LS Rocker Arms Trunnion Kit for Chevy in South Africa?
If you own a Chevrolet LS-powered vehicle in South Africa and are looking to improve the reliability and strength of your engine’s valvetrain, especially if you engage in performance driving or plan future modifications, the Mastodon LS Rocker Arms Trunnion Kit is a crucial upgrade that addresses a known weak point in the factory system.
Specifications:
- Compatibility: All Gen III and Gen IV Chevrolet LS Series Engines (LS1, LS2, LS3, LS6, LS7, L99, L92, etc.)
- Trunnion Material: Typically hardened steel alloy
- Bearing Type: High-quality roller bearings or bushings (check product specifics)
- Fasteners: Includes high-strength bolts
- Installation: Direct bolt-in replacement
Enhance the reliability and strength of your LS engine’s valvetrain in South Africa with the Mastodon LS Rocker Arms Trunnion Kit! Order yours today!
Frequently Asked Questions:
- What is a rocker arm trunnion?
The trunnion is the pivot point around which the rocker arm moves to open and close the engine’s valves. The factory LS trunnions can be a point of failure under high stress. - Why should I upgrade my LS rocker arm trunnions?
Upgrading to a stronger trunnion kit significantly reduces the risk of valvetrain failure, especially at high RPMs or with aftermarket camshafts and valve springs. This improves engine reliability and longevity. - Is this kit difficult to install?
This kit is designed as a direct bolt-in replacement for the factory trunnions. Basic hand tools are typically required. However, it’s important to follow the manufacturer’s instructions carefully. - Will this kit improve engine performance?
While the primary benefit is increased reliability, a more stable valvetrain can contribute to more consistent valve operation, which can potentially lead to improved performance. - Do I need any special tools for installation?
You will typically need basic hand tools such as sockets, wrenches, and possibly a torque wrench to ensure proper installation. - Where do you ship?
We offer fast and reliable delivery throughout South Africa. - Who can I contact for help?
Our customer support team is available to assist you with any questions regarding LS valvetrain upgrades.


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