Straub 346-7840 Harmonic Balancer Bolt for LS Engines

The Straub 346-7840 is a high-quality replacement harmonic balancer bolt designed specifically for GM LS engine applications. This critical fastener secures the harmonic balancer (also known as the crankshaft damper) to the crankshaft, ensuring proper engine balance and smooth operation.

Key Features:

• Engineered specifically for LS engine series applications
• Precision-manufactured to meet or exceed OEM specifications
• Heat-treated construction for maximum strength and durability
• Proper thread pitch and length for secure harmonic balancer retention
• Essential component for engine rebuilds and harmonic balancer replacement

This bolt is a critical fastener that should be replaced whenever the harmonic balancer is removed or during engine assembly. Using a worn or stretched bolt can lead to improper torque retention and potential engine damage. The Straub 346-7840 provides reliable performance for LS1, LS2, LS3, LS6, LS7, LSX, and other LS-series engines commonly found in GM performance vehicles and aftermarket applications.