Street. Track. Everything between.
07 3276 7829
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Ati

Ati

ATI Super Damper Standard Harmonic Balancers 918251 Balancer, Damper, 6.325 in., Internal Balance, Aluminum, Eagle, Mitsubishi, 2.0, 2.4l, Each

SKU: APP918251

Harmonic Balancers
Ati

Ati

ATI Super Damper Standard Harmonic Balancers 918251 Balancer, Damper, 6.325 in., Internal Balance, Aluminum, Eagle, Mitsubishi, 2.0, 2.4l, Each

SKU: APP918251

Harmonic Balancers
A$1,169.39
LOW STOCK! Est Ship 4-7 days. In stock at 1 location (2 available)

Added to cart

We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

Product Overview

ATI Damper - 6.78in - Alum - (2) 4 Grv - Mitsubishi Eclipse - 4G63 w/Integral Lower Cam Drive


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

Data: v4.2 - Upd: 2026-11-09 01:39:30

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 - 6.78in - Alum - (2) 4 Grv - Mitsubishi Eclipse - 4G63 w/Integral Lower Cam Drive
Part Number:appATI918251

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Ati, Ati Performance, Ati Performance Products
StreetFX SKU app918251
SFX Item ID 4971987
Accounting SKU app-918251
Manufacturer SKU 918251
Manufacturer UPC 800157029561
Alternative References ATI-918251

Harmonic Balancer, Super Damper, 6.325 in., Internal Balance, Aluminum, Eagle, Mitsubishi, 2.0, 2.4l, 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 Number918251
Part TypeHarmonic Balancers
Product LineATI Super Damper Standard Harmonic Balancers
UPC800157029561
Engine BalanceInternal
SFI RatingSFI 18.1
Degree MarkingsYes
Degree Marking Range360
Outside Diameter (in.)6.325 in.
Crankshaft Pulley Bolt Hole QuantityThree
Keyway QuantityOne
Harmonic Balancer MaterialAluminum
Harmonic Balancer ConstructionElastomer
Harmonic Balancer ColorBlack zinc chromate
Mounting Hardware IncludedNo
QuantitySold individually.
NotesThe outer shell is machined to utilize the factory belt setup and mounts to the crank with a custom hub that replaces the stock timing gear. 3-ring aluminum shell weight is 3.90 lbs. Steel hub average weight is 2.4 lbs.

Compatibility

Loading compatibility information...

Keep shopping

More from Ati