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USD 23.92
Part #: ARP129-2503

ARP 129-2503 Harmonic Balancer Bolt

Vehicle Fitment:
2001-2023 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P | See full application list below
Part #: ARP129-2503
★★★★★ ★★★★★ 2 Reviews
$23.92
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Description

The ARP 129-2503 Harmonic Balancer Bolt for your GM 6.6L Duramax is optimized for enhanced reliability and increased strength. Each kit includes a Pro Series balancer bolt that is rated at 200,000 psi tensile strength, and 8740 parallel ground washers. ARP bolts are cold forged to ensure molecular integrity, heat treated prior to thread rolling and machining and designed to exceed the OEM fasteners in strength and durability. Optimum design, enhanced reliability and increased strength are the main attributes of ARPs Pro Series balancer bolt kits.

Features: 
  • Increased Strength
  • Increased Reliability 
  • 200,000 PSI Tensile Strength 

Vehicle Fitment

YEAR MAKE FOR ENGINE SERIES
2001 GMC 6.6L LB7 Duramax
2001 Chevy 6.6L LB7 Duramax
2002 GMC 6.6L LB7 Duramax
2002 Chevy 6.6L LB7 Duramax
2003 GMC 6.6L LB7 Duramax
2003 Chevy 6.6L LB7 Duramax
2004 GMC 6.6L LB7 Duramax
2004 Chevy 6.6L LB7 Duramax
2004.5 GMC 6.6L LLY Duramax
2004.5 Chevy 6.6L LLY Duramax
2005 GMC 6.6L LLY Duramax
2005 Chevy 6.6L LLY Duramax
2006 GMC 6.6L LLY/LBZ Duramax
2006 Chevy 6.6L LLY/LBZ Duramax
2007 GMC 6.6L LLY/LBZ Duramax
2007 Chevy 6.6L LLY/LBZ Duramax
2007.5 GMC 6.6L LMM Duramax
2007.5 Chevy 6.6L LMM Duramax
2008 GMC 6.6L LMM Duramax
2008 Chevy 6.6L LMM Duramax
2009 GMC 6.6L LMM Duramax
2009 Chevy 6.6L LMM Duramax
2010 GMC 6.6L LMM Duramax
2010 Chevy 6.6L LMM Duramax
2011 GMC 6.6L LML Duramax
2011 Chevy 6.6L LML Duramax
2012 GMC 6.6L LML Duramax
2012 Chevy 6.6L LML Duramax
2013 GMC 6.6L LML Duramax
2013 Chevy 6.6L LML Duramax
2014 GMC 6.6L LML Duramax
2014 Chevy 6.6L LML Duramax
2015 GMC 6.6L LML Duramax
2015 Chevy 6.6L LML Duramax
2016 GMC 6.6L LML Duramax
2016 Chevy 6.6L LML Duramax
2017 GMC 6.6L L5P Duramax
2017 Chevy 6.6L L5P Duramax
2018 GMC 6.6L L5P Duramax
2018 Chevy 6.6L L5P Duramax
2019 Chevy 6.6L L5P Duramax
2019 GMC 6.6L L5P Duramax
2020 Chevy 6.6L L5P Duramax
2020 GMC 6.6L L5P Duramax
2021 Chevy 6.6L L5P Duramax
2021 GMC 6.6L L5P Duramax
2022 Chevy 6.6L L5P Duramax
2022 GMC 6.6L L5P Duramax
2023 Chevy 6.6L L5P Duramax
2023 GMC 6.6L L5P Duramax

Specifications

  • MPN 129-2503
  • SKU ARP129-2503
  • GTIN 672036046835
  • ID 26366
  • Manufacturer Name ARP
  • Shipping Weight 1.00 lb.
  • Shipping Length 4 in.
  • Shipping Width 6 in.
  • Shipping Height 2 in.
  • Fuel Type Diesel
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
  • Internal L6R14

Reviews

Currently Viewing Reviews with a rating of 5. Click here to reset.
★★★★★ ★★★★★
5.0/5 Stars out of 2 Reviews
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5
2
Crank bolt for harmonica balancer
5
So far so good little bit confused on the packaging where it says to torque it 325 footpounds GM specs are 260 ?
Arp harmonic balancer bolt
5
It's an arp bolt

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