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Engines and Components› Harmonic Balancers

ATI

LS1 6.78 Harmonic Damper - SFI

$481.15 $477.75 Save $3.40

SKU: A00N 917278

In Stock
In Stock
Ships by Jun 8
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The ATI Super Damper Harmonic Balancer for LS1/LS2/LS3/LS6 engines is a patented design with elastomer technology for high-RPM performance. It exceeds SFI 18.1 specs, features a black zinc chromate finish, and has laser-engraved 360-degree timing marks. It is a 10% underdriven unit and requires a shorter serpentine belt when used with AC.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandATI
Part NumberA00N 917278

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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