The ARP 147-2503 is a harmonic balancer bolt kit for Dodge Cummins 6.7L 24V engines. Bolts use a 12mm x 1.25 thread, are 1.725 in long, and have a 14mm 12-point head; machined from chromoly steel with a black oxide finish and include washers.
Specifications:
- 12mm x 1.25 thread
- 1.725 in long
- 14mm 12-Point head
- Washers included
- Chromoly steel construction
- Black oxide finish
- Set of 4
Applications:
- Dodge Cummins 6.7L 24V engines
FAQ
How many bolts are included in the ARP 147-2503 kit?
The kit includes a set of 4 harmonic balancer bolts.
What thread size and length do these bolts use?
They use a 12mm x 1.25 thread and are 1.725 in long.
Are washers included?
Yes, washers are included.
Which engines does this kit fit?
Dodge Cummins 6.7L 24V engines.

