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ATI Super Damper Serpentine Series Harmonic Balancers for 2006-2013 CORVETTE - ATI918620
Part Number: ATI-918620
ATI Super Damper Serpentine Series Harmonic Balancers
Harmonic Balancer, Super Damper, Internal Balance, Aluminum, Black, Chevy, LS, Each
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Estimated Ship Date: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
ATI918620
Part Type:
Product Line:
Summit Racing Part Number:
ATI-918620
UPC:
800157032288
Engine Balance:
Internal
SFI Rating:
SFI 18.1
Degree Markings:
Yes
Degree Marking Range:
360
Outside Diameter (in.):
7.650 in.
Groove Quantity:
8
Keyway Quantity:
One
Harmonic Balancer Material:
Aluminum
Harmonic Balancer Construction:
Elastomer
Harmonic Balancer Color:
Black anodized
Mounting Hardware Included:
No
Quantity:
Sold individually.
Notes:
Damper weighs 6.85 lbs. Features 8-rib pulley with 4-rib a/c pulley.
ATI Super Damper Serpentine Series Harmonic Balancers
ATI Super Damper Serpentine Series harmonic balancers are patented and feature grooves for serpentine belts machined into the outer damper shell. The dampers come with six outer grooves for standard OEM drive systems—but eight and 10 grooves are available for supercharger or turbo applications. Serpentine dampers are offered in a variety of diameters, and crank hubs may be fitted with a 6-groove serpentine pulley to drive external oil pumps or vehicle accessories. The Serpentine Series Super Dampers fit all ATI GM-front crank hubs and can be adapted to many engine combinations, providing maximum flexibility. They're available in steel or lightweight, hardcoated aluminum.
Features and benefits:
* Eliminates torsional crankshaft vibrations
* Exceeds SFI 18.1 specs
* Black zinc chromate finished
* Tunable, rebuildable, and extremely efficient at all rpms
* Laser-engraved 360 degree timing marks
Applications
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