Engines and Components› Harmonic Balancers

POWER BOND BALANCERS

SBC 6.75in. Steel Harmonic Balancer - SFI

$260.90

SKU: P05O PBU1117SS25

In Stock
In Stock
Ships by Sep 3
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The PowerBond by Dayco PBU1117SS25 is an engine harmonic balancer designed for high-revving and high-horsepower street/race applications. It features a CNC-machined AISI 1045 forged steel hub bonded to a steel inertia ring, meeting SFI 18.1 specification. The balancer has 25% underdrive and includes computer-etched timing marks.
Show original supplier description
SBC 6.75in. Steel Harmonic Balancer - SFI

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

BrandPOWER BOND BALANCERS
Part NumberP05O PBU1117SS25

Videos

C5 (& C6) Corvette Harmonic Balancer Options (Choose Wisely!)

C5 (& C6) Corvette Harmonic Balancer Options (Choose Wisely!)
Why you should pin your harmonic balancer on C5 & C6 Corvettes

Why you should pin your harmonic balancer on C5 & C6 Corvettes
Chevy LS Engine Balancer Puller & Installer from Summit Racing

Chevy LS Engine Balancer Puller & Installer from Summit Racing
How to remove a 5.3 LS Harmonic Balancer!

How to remove a 5.3 LS Harmonic Balancer!
LS LT Harmonic Balancer Pulley Install Tool - 551141 Link in Description!

LS LT Harmonic Balancer Pulley Install Tool - 551141 Link in Description!
LS 4.8 5.3 6.0 6.2 CRANKSHAFT PULLEY REMOVER AND INSTALLER TOOLS / F BODY ACCESSORIES FOR LS SWAP

LS 4.8 5.3 6.0 6.2 CRANKSHAFT PULLEY REMOVER AND INSTALLER TOOLS / F BODY ACCESSORIES FOR LS SWAP
How to install LS turbo 5.3 Crank Pulley Harmonic Balancer

How to install LS turbo 5.3 Crank Pulley Harmonic Balancer

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

(760) 282-4645 Instagram Google

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 Policy

Shipping

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.

View Full Shipping Policy