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Ati

Ati

ATI Super Damper Serpentine Series Harmonic Balancers 918645 Balancer, Damper, Internal Balance, Steel, Black, Chevrolet, GMC, L83, L86, Each

SKU: APP918645

Harmonic Balancers
Ati

Ati

ATI Super Damper Serpentine Series Harmonic Balancers 918645 Balancer, Damper, Internal Balance, Steel, Black, Chevrolet, GMC, L83, L86, Each

SKU: APP918645

Harmonic Balancers
A$1,228.92
IN STOCK! Est Ship 4-7 days. In stock at 2 locations (more than 10 available)

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Description

Harmonic Balancer - Serpentine Super Damper - 7.525 in OD - SFI 18.1 - Steel - Black Oxide - Internal Balance - GM LS-Series - Each

Additional Information

SFI


Data: v2 - Desc: v4.2 - Upd: 2026-11-07 16:40:31

Data: v4.2 - Upd: 2026-11-07 15:42:40

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Ati, Ati Performance, Ati Performance Products
StreetFX SKU app918645
SFX Item ID 4971965
Accounting SKU app-918645
Manufacturer SKU 918645
Manufacturer UPC 800157080203
Alternative References ATI-918645, ATI918645

Harmonic Balancer, Super Damper, Internal Balance, Steel, Black, Chevrolet, GMC, L83, L86, Each

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

Product Attributes
BrandATI Performance Products
Manufacturer's Part Number918645
Part TypeHarmonic Balancers
Product LineATI Super Damper Serpentine Series Harmonic Balancers
Engine BalanceInternal
SFI RatingSFI 18.1
Degree MarkingsYes
Degree Marking Range360
Outside Diameter (in.)7.525 in.
Groove Quantity6
Keyway QuantityOne
Harmonic Balancer MaterialSteel
Harmonic Balancer ConstructionElastomer
Harmonic Balancer ColorBlack zinc chromate
Mounting Hardware IncludedNo
QuantitySold individually.
NotesDoes not include front drive pulley.

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