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crankshaft components

ATI Harmonic Balancers and Flexplates

ATI manufactures a multitude of high performance parts including Torsional Super Dampers and Flexplates. ATI's commitment to NHRA & IHRA racing has allowed the company to maintain a prominent position on the cutting edge of high performance component design and manufacturing.
A full range of ATI Super Dampers and Flexplates products are available from Precision International.

Flexplates

ATI Flexplates are created from custom drawn SFI-spec chromoloy steel.

The flexplates are double MIG/TIG welded for additional strength and lasting precision pass after pass. Each ATI flexplate is manufactured and toleranced from OEM drawings to ensure a precise fit and location.

Each plate is quality inspected to EXCEED the flatness and run-out tolerances of the OEM units and is precision balanced on Hines digital equipment with a resolution of 0.10 oz-in.

Super Dampers

The patented ATI Super Damper is available for high performance Ford, Chevy and sport compact engines.

  • Eliminates torsional crankshaft vibrations
  • Exceeds SFI 18.1 specs
  • Black zinc chromate finished
  • Tunable, rebuildable, and extremely efficient at ALL RPM
  • Laser engraved 360° timing marks
  • Used by top NASCAR & V8 Supercar team