ATI 7.425" Steel Super Damper Supercharged Series Harmonic Balancers Chevrolet Corvette 1997-2004 ATI917345

These Supercharged series dampers place the powerful protection of ATI Super Damper inside of the crankshaft blower pulley. Available in 66 to 77-tooth 8mm pitch, and 40 to 51-tooth 14mm pitch, these balancers eliminate torsional crankshaft vibrations and feature dual-keyway hubs. These balancers exceed SFI 18.1 specs, have laser-engraved 360 degree timing marks, and are finished in a black zinc chromate. Numerous pulley offsets are available to keep the blower drive as close to the engine as possible, reducing the bending moment to the crankshaft nose.

Specifications:

• Engine Balance: Internal
• SFI Rating: SFI 18.1
• Degree Markings: Yes
• Degree Marking Range: 360
• Outside ⌀ (in.): 7.425"
• Groove Quantity: 8, 4
• Keyway Quantity: One
• Harmonic Balancer Material: Steel
• Harmonic Balancer Construction: Elastomer
• Harmonic Balancer Color: Black zinc chromate
• Mounting Hardware Included: No
• Quantity: Sold individually.

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• Steel shell/steel hub, 8-rib blower pulley. Shell weight 9.75 lbs. Average hub weight 2.90 lbs.