ARP / MMR 5.0 Coyote Harmonic Balancer Crankshaft Bolt & Washer

This kit is an upgrade over the bolt and flat washer sold by ARP! This kit from MMR was developed to support the crankshaft and Harmonic balancer on all Ford 5.0 / 5.2 Coyote applications. This kit helps prevent crankshaft snout failure on supercharged applications that place additional load on the crankshaft and harmonic balancer. Special aerospace hardened, ultra thick washer actually engages the harmonic balancer providing increased support. Recommended for all na, Turbo and supercharged applications. Includes ARP 200,000 PSI Tensile Strength crank bolt. This kit is an upgrade over the bolt and washer sold by ARP! Fits all 2011-2021 Coyote / Voodoo / Predator 5.0 / 5.2 Engines with factory and Aftermarket Harmonic Balancers



*ARP 200,000 PSI Tensile Strength Bolt

*Billet Steel Hardened Support Washer

*Black Oxide finish on both components

*Laser Etched with suggested Torque Rating

  • Model: 444393
  • Manufactured by: MMR


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