Brand: ATI Performance Products
Manufacturer's Part Number: ATI917412
Part Type: Harmonic Balancers
Product Line: ATI Super Damper Standard Harmonic Balancers
Automotive Fittings Part Number: ATI-917412
UPC: 800157028984
Engine Balance: Internal
SFI Rating: SFI 18.1
Degree Markings: Yes
Degree Marking Range: 360
Outside Diameter (in.): 6.325
Crankshaft Pulley Bolt Hole Quantity: Three
Keyway Quantity: One
Harmonic Balancer Material: Aluminum
Harmonic Balancer Construction: Elastomer
Harmonic Balancer Color: Black zinc chromate
Mounting Hardware Included: No
Quantity: Sold individually.
Notes: 1.245 in. crankshaft. 2.280 in. counterbore for use with dry sump systems. 3-ring design, weight is 3.90 lbs. Steel hub average weight is .2.4 lbs.
Description:
Patented ATI Super Damper standard harmonic balancers are the only crankshaft dampers designed exclusively for high performance engines. Inner and outer shells are available in aluminum or steel, and contain a steel inertia weight. The inertia weights have six (2-ring design) or eight (3-ring design) computer-machined grooves to retain the proper durometer O-rings (dyno tested for each application). Whether you race or just drive on the street, ATI harmonic balancers are the perfect choice.

Features include:

* Eliminates torsional crankshaft vibrations
* Exceeds SFI 18.1 specs
* Black zinc chromate finished
* OEM equipment on a variety of crate engines
* Tunable, rebuildable, and extremely efficient at all rpm
* Laser-engraved 360 degree timing marks
* Supercharger and power steering drive pulleys available for some applications