ARP's harmonic balancer bolt for Small Block Chevy engines is a 7/16-20 chromoly bolt with a 12-point head, black oxide finish, and an included washer for secure balancer retention.
Specifications:
- 7/16-20 in thread
- 2.470 in long
- 13/16 in 12-point head
- Washer included
- Chromoly
- Black oxide finish
Applications:
- Small Block Chevy
FAQ
What thread size is this balancer bolt?
It has a 7/16-20 in thread.
How long is the bolt?
The bolt is 2.470 in long.
Is a washer included?
Yes, a washer is included with this bolt.
What vehicles is this bolt designed for?
It is designed for Small Block Chevy engines.

