Product images and videos 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.
Engines and Components› Harmonic Balancers
ATI
SBF 6.325 Harmonic Damper - SFI
SKU: A00N 917511
Moderate — 2–4 hours
Overview
Show original supplier description
Vehicle Symptoms
- Vibration at idle that gets worse with RPM
- Rattling noise from front of engine
- Visible wobble or separation of balancer ring
- Erratic engine behavior after revving
- Check engine light with misfire codes after engine rebuild
Diagnostic Codes
- P0300 – Random or multiple cylinder misfire Det
Relevant Conversations
- Too much vibration after cam swap? Need SFI balancer
- ATI Super Damper vs stock harmonic balancer SBF
- 917511 ATI balancer fit small block Ford 302?
- Vibration at 2500 RPM after engine rebuild
- Can a bad harmonic balancer cause a misfire? P0300
- ATI balancer installation tips for 351W
- Best harmonic balancer for high RPM street/strip
- Harmonic balancer wobble fix for Ford 5.0
- ATI Super Damper 6.325 vs Fluidampr comparison
- P0300 after balancer replacement? Still have vibration
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
Fitment Guaranteed
Don’t gamble
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.
Available on iOS & Android
Specifications
| Brand | ATI |
| Part Number | A00N 917511 |
Videos
LS Tech: Installing an ATI Harmonic Balancer
Best Way to Install a Harmonic Balancer on a C6 Corvette (Cradle Drop Guide)
ATI Super Damper Installall: LS Series (Pt13 82-92 Camaro/Firebird LS Swap)
QUICKEST!! way to change a C6 Harmonic Balancer
How to install a LS Engine balancer
How to install an ATI Super Damper on a Corvette (C5 1997-2004) [Harmonic Balancer install]
When Do You Need an Aftermarket Harmonic Damper - Jay's Tech Tips | RS Garage
"Let Me Just Install That Real Quick" - ATI Super Damper Version! Supra Saga Series pt. 20!
2 Minute Tuesdays | ATI Super Damper!
ATI Harmonic Balancer and Lingenfelter 18% crank pulley assembly. 2013 Camaro ZL1/LSA
About MOTORMIA
Buy with Confidence
Returns & Fitment
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.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy