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