LS1 Rocker Arms WITH Trunion Kit Installed - 4.8 5.3 5.7 6.0 Rockers Trunnion

Rocker Arms with Trunnion Kit for LS1

These rocker arms with trunnion kit for LS1 are fully assembled to provide enhanced valvetrain stability in 4.8, 5.3, 5.7, and 6.0 engines.

Overview

These rocker arms with trunnion kit for LS1 are designed to replace unstable stock needle bearings with robust retrofitted components. Ideal for high-RPM applications, these rocker arms with trunnion kit for LS1 provide reliable valve control and eliminate the risk of needle bearing failure. This set of rocker arms with trunnion kit for LS1 minimizes vehicle downtime by arriving pre-assembled and ready for direct replacement.

Built For Performance

• Pre-assembled with high-capacity trunnion bearings for superior stability.
• Eliminates factory needle bearings that are prone to spitting out under load.
• Crafted from heavy-duty steel to withstand increased spring pressures.
• Precision radial bearings provide smooth, consistent rocker arm rotation.

Fits These Machines

• for LS1 5.7L Engine
• for LS 4.8L Engine
• for LS 5.3L Engine
• for LS 6.0L Engine

On-The-Job Use

• Replacing stock rocker assemblies during high-performance engine rebuilds.
• Strengthening the valvetrain for aggressive aftermarket camshaft profiles.
• Preventing bearing failure and debris contamination in racing engines.

Specs At A Glance

Good To Know

Q: Are these rocker arms ready to bolt on out of the box? A: Yes, the trunnion kits are already professionally pressed in and lubricated for immediate installation.

Q: Can these rockers handle dual valve springs? A: Yes, the modified trunnions are designed to handle the increased seat pressures associated with dual valve springs.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.