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Engines and Components› Harmonic Balancers
ATI
LS1 6.78 Harmonic Damper - SFI
SKU: A00N 917278
Easy — 1–2 hours
Overview
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Part #: 917278
Harmonic Balancer - Serpentine Super Damper - 6.780 in OD - SFI 18.1 - AC Pulley - Aluminum / Steel - Black - Internal Balance - GM LS-Series - Each
Vehicle Symptoms
- Engine vibration at idle or acceleration
- Rough running with no misfire codes
- Audible knocking or rattling from front of engine
- Timing marks misaligned or wobbling
- Excessive engine noise under load
Diagnostic Codes
- P0336 – Crank Pos Snsr A Ckt Malf
Relevant Conversations
- LS engine vibration at idle fix
- P0336 after replacing harmonic balancer
- ATI Super Damper vs OEM harmonic balancer
- How to install ATI harmonic balancer on LS
- Best harmonic balancer for high RPM LS
- Harmonic balancer failure symptoms LS
- ATI 917278 harmonic balancer review
- Will bad harmonic balancer cause misfire?
- Upgrading LS harmonic balancer SFI 18.1
- Car shakes at highway speed harmonic balancer
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | ATI |
| Part Number | A00N 917278 |
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