Description
ARP balancer (damper) bolts provide the extra clamping force needed to keep the harmonic balancer secure on the crankshaft snout in high-horsepower and high-torque diesels.
ARP part number: 129-2503
Application: Duramax 6.6L LB7-L5P 2001+
Material: ARP2000 alloy (approx. 220,000 psi tensile strength)
Fitment
- Duramax LB7 2001-2004
- Duramax LLY 2004.5-2005
- Duramax LBZ 2006-2007
- Duramax LMM 2007.5-2010
- Duramax LML 2011-2016
- Duramax L5P 2017-2019
- Duramax L5P 2020-2026
Features
- Increased strength
- Increased reliability
- 200,000 psi tensile strength
What's Included
- Balancer bolt
- Washer
ARP installation instructions & torque specs (PDF)
Always follow ARP's published torque values and use the supplied ARP lubricant for accurate preload.
