SELECT ENGINE

Products Showing Parts for — {{ active_vehicle.name }}

No Results Showing Parts for — {{ active_vehicle.name }}
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
Buy now, pay later using Affirm Logo during checkout.
In-Stock
Ground Delivery by ,
If you order within hr min
This product cannot be shipped to your destination
Not Shipping to ?
Need it faster?
Our Recommendations Compatible Products
Close
Scroll to View More

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 

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 L28R12

Reviews

★★★★★ ★★★★★
5.0/5 Stars out of 2 Reviews
1
0
2
0
3
0
4
0
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

Write a Review

Include Your Order Number For a Chance to Win a $100 Gift card

Overall Rating

Your Information

Email Address will not be made public.

Questions and Answers

No questions about this product. Be the first to ask a question!

Ask a question about this product

Please allow up to 1 business day for reply.

More to Consider

Recently Viewed

ITEM ADDED TO CART

Complete the job with these highly suggested add-on products.

Product prices marked with an * may require additonal fees, such as a core charge, which will be displayed in the cart.