ARP Harmonic Balancer Bolt Kit 12-Point 351C



  • 8740 Chrome Moly Construction
  • Black Oxide Fastener Finish
  • Yield Strength Of 190,000 PSI
  • Made In The USA
MSRP $39.29
You save 39%

ARP 12-Point Harmonic Balancer Bolt Kit for all 351C Engines.

Are you looking to replace the Harmonic Balancer Bolt on your 351C Engine? If so you might be interested in this 12-Point Harmonic Balancer Bolt Kit from ARP. The ARP Harmonic Balancer Bolt Kit is a performance upgrade for all 351C Engines. The main job of the Harmonic Balancer Bolt is to securely mount the Harmonic Balancer on the crankshaft of your engine.

Features and Benefits:
- 8740 Chrome Moly Steel Construction
- Black Oxide Finishing Coat
- Includes Flat Washers
- Performance Upgrade
- Made in the USA!
- Easy Installation

Please Note: While following the manufacturers recommended torque sequence, tighten the nuts to the ARP recommended torque specifications using ARP Ultra-Torque Fastener Assembly Lubricant.

- Thread Size: 5/8”-5/18”
- Under Head Length: 1.800”
- Head Style: 12-point
- Washer Included: Yes
- Fastener Yield Strength (psi): 190,000 psi
- Fastener Material: 8740 Chrome Moly
- Fastener Finish: Black Oxide

Your engine is held together by a myriad of nuts, bolts and screws, which allow it to work despite the incredible pressures and forces acting upon it. However, what happens if that hardware fails, or you need to upgrade it to handle additional performance? With the hardware from ARP, you're getting the best products on the market, and those trusted by Formula 1, Indy Car, NHRA and NASCAR.

Purchase a new ARP 12-Point Harmonic Balancer Bolt Kit for your 351C Engine from CJ Pony Parts today!

California Residents: Proposition 65 Warning

Installation Difficulty


Novice skill is required for this installation.

Installation Videos

Video Transcript

We’re here, with an ARP 12 point harmonic balancer bolt kit, fitting your 351 Cleveland engine. High-quality hardware from ARP is a great way to take your Cleveland build to the next level. This harmonic balancer bolt will replace your factory bolt, and is made of high quality 8740 chrome, sealed with a black oxide coating. This includes a flat washer and will be a direct replacement for the factory bolt, and is made right here in the USA.

Vehicle Fitment

This product will fit the following Mustang years:

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