ARP - Gm 6.6L Duramax Balancer Bolt Kit "Bolt Only" - 129-2503

The ARP 129-2503 balancer bolt is designed to secure the harmonic balancer on GM 6.6L Duramax engines, providing superior strength and reliability over factory hardware.

Key Features

• High-strength balancer bolt for GM Duramax 6.6L engines


• Manufactured from premium ARP alloy materials


• Designed to handle high torsional loads


• Bolt only – does not include washer


• Ideal for stock and performance engines

Compatibility & Installation Notes

• Fits GM Duramax 6.6L engines


• Follow factory and ARP installation procedures


• Proper torque and angle methods are required

Prop 65 Warning

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.