BTR V2 Trunnion Kit with Bolts Review – Premium LS Rocker Arm Upgrade
The BTR V2 Trunnion Kit with Bolts (TK002) is designed to upgrade the rocker arm trunnion assembly in compatible GM LS-series engines. This performance-oriented kit is intended to improve rocker arm stability and provide a more robust alternative to factory-style trunnion components, particularly in engines used for performance driving, modified builds, and higher-RPM applications.
Key Specifications
Brand: BTR (Brian Tooley Racing)
Product Type: Rocker Arm Trunnion Upgrade Kit
Model Number: TK002
Engine Compatibility: Selected LS-series engines, including LS1, LS3, 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L
Included Components: V2 trunnion kit and installation bolts
Application: LS engine valvetrain upgrades and performance builds
Main Features
1. Upgraded Trunnion Design
The V2 trunnion design is intended to improve rocker arm pivot support compared with standard factory-style components. This can be beneficial for LS engines operating under increased valvetrain loads, although actual results depend on the engine configuration and installation quality.
2. Included Installation Bolts
The kit includes bolts to support installation, helping provide a convenient upgrade package without sourcing every component separately. Always follow the manufacturer's installation instructions and torque specifications.
3. Broad LS Engine Applications
The kit is listed for several popular LS engine families, making it a potential option for compatible GM V8 builds. Verify the exact rocker arm design and engine application before purchasing, as compatibility can vary across engine versions.
4. Suitable for Performance Builds
Upgrading the rocker arm trunnion assembly can be worthwhile for modified engines with aftermarket camshafts, upgraded valve springs, or other valvetrain changes. Correct installation and suitable component selection remain essential for reliable operation.
Performance
Performs exceptionally well for:
Compatible LS-series engine valvetrain upgrades
Street-performance V8 builds
Modified engines with upgraded camshafts and valve springs
Preventive rocker arm trunnion upgrades during engine servicing
Pros
Designed specifically for LS-style rocker arm applications
V2 trunnion upgrade design
Installation bolts included
Suitable for a range of popular LS engine builds
Useful addition to performance engine assembly or maintenance
Cons
Compatibility must be confirmed for the specific engine and rocker arm assembly
Installation requires mechanical knowledge and appropriate tools
Does not independently increase engine horsepower
Correct installation is critical to valvetrain reliability
Who Should Buy This?
Ideal for:
LS engine builders upgrading valvetrain components
Automotive enthusiasts modifying GM V8 engines
Mechanics performing rocker arm servicing or performance upgrades
Final Verdict
The BTR V2 Trunnion Kit with Bolts (TK002) is a practical option to consider when upgrading the rocker arm trunnion assembly in a compatible LS engine. Its performance-focused design and included bolts make it a convenient component for engine builds and valvetrain maintenance. Before purchasing, confirm the exact engine and rocker arm compatibility and consult the manufacturer's specifications to ensure the kit suits your application.
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