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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
For Your Every Summer RSVP, with Code: SUMMER15
Description
ATI 917376 Super Damper Harmonic Balancer 11-16 6.6L GM Duramax LMLDesigned with absolute precision in mind, the ATI Super Dampers are without a doubt the highest quality harmonic balancers built for Duramax diesel engines. But if you have made significant changes to your engine and are looking to optimize and balance out everything you've put into it (which includes blood, sweat, and broken knuckles) then you NEED a harmonic balancer, and we've found that the ATI units are unsurpassed. By eliminating torsional

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 2184 reviews
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Product Reviews
★★★★★ 4
Looks good in desk
Size: 50mm/2inch, Color: Black, Number of Items: 2
Made nice clean hole and inserts look and work well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
★★★★★ 5
Fits and works just as expected
Size: 50mm/2inch, Color: Black, Number of Items: 4
I bought these to provide a snug fit for an EV charging cable running through my garage wall. They worked perfectly to keep out drafts and crawly things. Highly recommended.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Worth the money!
Size: 50mm/2inch, Color: Black, Number of Items: 2
This kit is great. I bought this because I know that the seller paired the cutting tool to be the perfect size and it was! Not just that, but the hole cutter was well done and cut thru the 3 layers - laminate, plywood and particle board with ease. The only thing that I would do different, is go to 3" next time. 2" was very tight when running the 2 @ 120 volt cord ends through the cap.
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Reviewed in the United States on December 5, 2025
★★★★★ 5
Nice Floating Shelves
Color: Oak, Size: 24" W x 7" D x 1.5" H (2 pieces), Color: Oak, Size: 24" W x 7" D x 1.5" H (2 pieces)
I wasn't sure how to fill this space between my kitchen cabinets, and I think these shelves turned out looking great and fit the space nicely. They were easy to install, good quality, and could handle a decent amount of weight.
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Reviewed in the United States on March 26, 2026
★★★★★ 5
My perfect shelves a must buy
Color: Black, Size: 24" W x 7" D x 1.5" H (2 pieces)
Works perfectly and looks great and easy to install. And holds a lot
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Reviewed in the United States on December 25, 2025
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