ARP

ARP 01-24 GM Duramax 6.6L Harmonic Balancer Bolt Kit

SKU: arp129-2503 UPC: 672036046835
In stock - 53 items available
Regular price $30.42

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Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase. Orders shipping to restricted areas may be canceled.

Hold the balancer where it belongs with the ARP Harmonic Balancer Bolt Kit (arp129-2503) - engineered for GM Duramax 6.6L.

  • Fits 2001-2024 Chevrolet Silverado 2500 & 3500 HD; GMC Sierra 2500 & 3500 HD
  • Far stronger than the factory bolt it replaces
  • Correct clamp load to keep the balancer located under load
  • Cold forged and heat-treated in the USA at ARP's own facility

Perfect for a tuned engine where a walked balancer means a ruined crank snout.

Shipping Height: 1.0

Shipping Length: 9.5

Shipping Width: 5.8

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