ARP Harmonic Balancer Bolt & Washer - (Big Block GM)
To ensure the harmonic balancer is locked into place, use these ultra-strong ARP 200,000 psi bolts that exert maximum clamping force. Special features include 1/4" thick washers with an extra wide surface and tall 12-point heads that accept a deep socket to end the worry of stripping the head.
DETAILS:
- Big block Chevrolet Pro-Series balancer bolt
- Includes hardened washer
- Chromemoly steel
- 12 point head
- Black oxide finish
- 1/2"-20 thread
- 1.550" UHL
- 1 per package
PART NUMBER: ARP-135-2501
