LS1 Rocker Arm with Upgraded Trunnion Installed for 4.8 5.3 5.7 6.0 Trunion

Product Overview

This aftermarket replacement rocker arm includes an upgraded trunnion already installed, intended for use in the listed LS engine applications. A rocker arm transfers motion from the pushrod to open and close the engine's valves.

Key Features & Performance

• Comes with an upgraded trunnion pre-installed
• Intended for LS series engine applications listed in the title
• Used to maintain proper valve operation during engine servicing

Fitment & Compatibility

• for 4.8L LS engine applications
• for 5.3L LS engine applications
• for 5.7L LS engine applications
• for 6.0L LS engine applications

Common Uses

• Replacing a worn or damaged rocker arm during engine repair
• Servicing the valve train in the listed LS engine displacements

Technical Specifications

• Product Type: Rocker Arm
• Part Number(s): LS1
• Engine Application(s): 4.8L, 5.3L, 5.7L, 6.0L LS series

Frequently Asked Questions

Q: What does a rocker arm do? A: A rocker arm transfers motion from the pushrod to open and close the engine's intake and exhaust valves.

Q: How should I verify fitment? A: Compare the complete existing part number and exact engine model designation from your vehicle before purchasing.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.