1 / 2
Specifications
- Brand
- ARP
- Part #
- 129-2503
- UPC
- 672036046835
ARP GM Duramax 6.6L Harmonic Balancer Bolt Kit
$30.17
On Backorder — Expected to ship by Apr 22, 2026
Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.
ARP's 8740 chromoly bolts hold your Duramax 6.6L harmonic balancer securely. A solid choice for engine work.
Key Features
- 8740 chromoly steel — strong and durable material.
- Direct fit for GM Duramax 6.6L engines — replaces the stock bolt.
- Includes necessary hardware for installation.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Specifications
- Brand
- ARP
- Manufacturer Part #
- 129-2503
- UPC
- 672036046835
Frequently Asked Questions
You Might Also Like
Similar products from the same category
ARP GM Duramax 6.6L Harmonic Balancer Bolt Kit
$30.17