The harmonic balancer bolt sees high load and vibration. A stronger ARP bolt helps keep the damper secure.

The ARP 147-2503 balancer bolt kit is for 6.7 Cummins 2007.5-2018. It replaces stretch-prone hardware with ARP fasteners built for high-load diesel use.

What you get

• ARP harmonic balancer / damper bolt(s) as supplied in the kit
• ARP Ultra-Torque assembly lubricant (when included per ARP instructions)
• Fitment: 6.7 Cummins 2007.5-2018
• Follow ARP installation instructions for your exact kit

Specs

• ARP part number: 147-2503
• ARP torque/stretch note: Tighten the balancer bolts to 90 ft-lbs using
• ARP torque/stretch note: Tighten the balancer bolts to 90 ft-lbs using [5]
• ARP catalog application: CUMMINS 6.7L 24V DIESEL BALANCER BOLT KIT

For damper service or upgrades where you want a stronger balancer bolt. Install with the ARP instruction sheet for 147-2503—use the supplied lubricant and torque or stretch procedure. Verify fitment for your exact engine and year before ordering.