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Product Details

Dayco Belts, Hoses, Tensioners & Pulleys

Diesel Performance Race Harmonic Balancer by Dayco®. This product is a high performance alternative for diesel powered vehicles. To ensure this balancer provides nothing less than the highest level of quality and durability, it's manufactured using ultra reliable Powerbond race series pressure-bonded technology and constructed with a strong billet steel construction.



  • Designed as a high performance alternative for diesel powered vehicle
  • Strong billet steel construction for superior durability
  • Ultra reliable Powerbond race series pressure bonding technology for extra strength
  • SFI (SEMA Foundation, Inc.) approved for race use

During engine operation, cylinder firing causes the crankshaft to twist back and forth a small amount creating torsional vibration along the shaft. The harmonic balancer, also known as the vibration damper, absorbs and dissipates this energy to prevent the crankshaft from cracking and breaking. The balancer consists of an inertia ring, usually made of cast iron, mounted on a cast iron hub and separated by a rubber cushion. The rubber deteriorates with age and exposure to heat, oil, and the environment, causing the ring to become loose on the hub. This can result in wobble, excessive vibration, and crankshaft failure. If you’re in need of a harmonic balancer for your diesel engine, don’t just replace, upgrade, with a Dayco Performance Harmonic Balancer.

Constructed as a high performance alternative for diesel powered passenger trucks, this product by Dayco is your best choice when it comes to replacement of your worn out or damaged harmonic balancer. To ensure superior durability and long service life, the product features a strong billet steel construction and is manufactured using ultra reliable Powerbond race series pressure bonding technology. This pressure bonded rubber produces rubber strength that is 3 times greater than stock. The Dayco Performance Harmonic Balancer meets the rigid standards for racetrack approval of SFI, a non-profit organization established to issue and administer standards for the quality assurance of specialty performance and racing equipment.

Since 1905, Dayco has been a leader in the automotive parts manufacturing industry. During the early 1900s, Dayco was the first and only company manufacturing the airless tire. By the 1920s, the company had a robust tire manufacturing process in Dayton, Ohio for cars, large trucks and buses. From its founding to today, the company has followed its primary business strategy to anticipate and satisfy all the needs and requirements of its customers by providing innovative, quality, and durable products. Today its wide product line includes belts, tensioners, pulleys and hydraulics equipment for the automotive, construction, trucking, ATV, agricultural, snowmobile, and industrial markets.


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