CRANKSHAFT BOLT

GM Crankshaft Bolt

Designed to securely retain the harmonic balancer to the crankshaft, this genuine GM crankshaft bolt is manufactured to OEM specifications for maximum clamping force and long-term reliability. Built from high-strength steel, it is engineered to withstand the high torsional loads and vibration encountered in GM LS-series performance engines.

Ideal for engine rebuilds, harmonic balancer replacement and routine servicing, this bolt provides precise fitment and dependable performance. As this is a torque-to-yield fastener, GM recommends replacing the crankshaft bolt whenever it has been removed to ensure the correct clamping load is maintained.

Specifications

• Genuine GM replacement component
• GM Part Number: 11570163
• Part Type: Crankshaft (Harmonic Balancer) Bolt
• High-strength steel construction
• Torque-to-yield (single-use) fastener
• Application: GM LS-Series engines (where specified)
• OEM fit and finish
• SKU: GM-11570163