Fits
 
 Year
Make
Engine
2001-2018
GM
6.6L Duramax 
 
The ARP 129-2503 Balancer Bolt is a crucial addition to any 2001-2018 Duramax engine. This ARP Balancer Bolt is enhanced for reliability & increased strength and is part of the Pro Series lineup that's rated up to 200,000 PSI of tensile strength.
 
Part Number: 129-2503
 
Features:
 
200,000psi Tensile Strength
Increased Reliability & Strength
Pro-Series
Exceeds OEM Specifications