ARP 129-2503 Harmonic Balancer Bolt Kit | 2001-2019 Silverado/Sierra 2500HD/3500HD 6.6L

ARP Harmonic Balancer Bolt Kit Features:

• M18 x 1.5 Thread Size
• 12-Point Head Style
• 190,000 psi
• 8740 Chromoly Fastener Material
• Ensures Balancer is Locked in Position
• Bolt Only
• Increased Strength and Reliability

Absorbs Heavy Vibrations With Higher Speeds

The ARP Harmonic Balancer Bolt Kit enhances your vehicle's usage of horsepower while absorbing the excessive vibrations from increasing your vehicle's RPM by keeping the harmonic balancer locked into place. The bolt kit has increased strength and reliability compared to the OEM model to keep your engine and components safe and secured with the harmonic balancer in place. Enjoy cruising down highways or attending some race events and enjoy the enhanced ride quality.

Capable to Handle High RPM and BHP Levels

With the ARP Harmonic Balancer Bolt Kit keeping your harmonic balancer in place, you get benefits boosted to keep your engine running it's best. With your harmonic balancer bolted in place you will notice a reduction in heavy vibrations or rattling, makes your RPM and BHP easier to handle, and keeps your vehicle safe during higher speeds. Having the bolt kit installed your engine can have an increased lifespan as the harmonic balancer ensures other vehicle.

Vehicle Fitment: 2001-2019 Chevrolet Duramax 6.6L V8

Year Ranges	Make	Model	Series	Engine
2001-2019	GM	Silverado/Sierra	2500HD/3500HD	6.6L

Property	Values
Year Ranges	2001-2019
Make	GM
Model	Silverado/Sierra
Series	2500HD/3500HD
Engine	6.6L