ATI PERFORMANCE
SBC 6.325 SFI Harmonic Damper Internal Balance
SKU: ATI917781U
$437.99
Secure checkout with Cunningham Customs LLC. Real people handle your order. Create an account to save garage and addresses for next time.
Harmonic Balancer - Super Damper - Undersized - 6.325 in OD - SFI-18.1 - Internal Balance - Steel - Black Paint - Small Block Chevy - Each Notes: With undersized Crank Hub Bore ID 1.24
What this part is for
ATI PERFORMANCE SBC 6.325 SFI Harmonic Damper Internal Balance is a performance part builders add when the stock piece won’t do the job — whether that’s durability, flow, adjustability, or packaging in a custom build. Ask Grok with your year, make, model, and engine, or Call Us — confirm fitment once before you buy. Real people at Cunningham Customs handle the order.
Shop all parts · Search the catalog · Build guides · Camshaft help · More ATI PERFORMANCE
Comments & builder notes
Share fitment tips, install notes, or questions. Customers, the shop, and Grok can all chime in. New comments notify the Cunningham Customs team for review.