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Ati

Ati

ATI Super Damper Standard Harmonic Balancers 918920 Balancer, Damper, Internal Balance, Steel, Black, Ford, 289, 302, 351C, 351M, 351W, 400, Each

SKU: APP918920

Harmonic Balancers
Ati

Ati

ATI Super Damper Standard Harmonic Balancers 918920 Balancer, Damper, Internal Balance, Steel, Black, Ford, 289, 302, 351C, 351M, 351W, 400, Each

SKU: APP918920

Harmonic Balancers
A$1,078.20
IN STOCK! Est Ship 4-7 days. In stock at 2 locations (more than 10 available)

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Description

Harmonic Balancer - Super Damper - 6.325 in OD - SFI 18.1 - Steel - Black Oxide - Internal Balance - Small Block Ford - Each

Additional Information

4 bolt front.

Product Overview

ATI Damper - 6.325in - Steel - Ford SB & 6 Cyl - 4 Bolt OEM - 3.35in Long - C-Timing - 3 Ring


Data: v2 - Desc: v4.2 - Upd: 2026-11-07 16:40:37

Data: v4.2 - Upd: 2026-11-07 15:42:37

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

Product Details

Description:ATI Damper - 6.325in - Steel - Ford SB & 6 Cyl - 4 Bolt OEM - 3.35in Long - C-Timing - 3 Ring
Part Number:appATI918920

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Ati, Ati Performance, Ati Performance Products
StreetFX SKU app918920
SFX Item ID 4972514
Accounting SKU app-918920
Manufacturer SKU 918920
Manufacturer UPC 800157029455
Alternative References ATI-918920, ATI918920

Harmonic Balancer, Super Damper, Internal Balance, Steel, Black, Ford, 289, 302, 351C, 351M, 351W, 400, Each

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

Product Attributes
BrandATI Performance Products
Manufacturer's Part Number918920
Part TypeHarmonic Balancers
Product LineATI Super Damper Standard Harmonic Balancers
UPC800157029455
Engine BalanceInternal
SFI RatingSFI 18.1
Degree MarkingsYes
Degree Marking Range360
Outside Diameter (in.)6.325 in.
Crankshaft Pulley Bolt Hole QuantityFour
Keyway QuantityOne
Harmonic Balancer MaterialSteel
Harmonic Balancer ConstructionElastomer
Harmonic Balancer ColorBlack zinc chromate
Mounting Hardware IncludedNo
QuantitySold individually.
NotesDesigned for custom internal balanced build applications only. 3-ring design. 1.800 in. wide. 6.00 lbs.

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