SKU: 62778978312

QA1 Promo Star-12-250 Kit Pro-Rear Coilover D-Adj. 3.25in

Sale price$570.60 Regular price$634.00
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 18 - Jul 23

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

QA1 Promo Star-12-250 Kit Pro-Rear Coilover D-Adj. 3.25inProduct Overview QA1's Heavy Duty Pro Rear Systems are the perfect solution to add coilovers to your car or truck. Designed for any vehicle with a 1700 2600 lbs. rear axle weight, this kit includes all the necessary hardware and bracketry for a seamless installation. With double shear bracketry and increased spring rates, it ensures the strength and support you need for street and race applications. This simple weld on kit features axle mount

Product Overview QA1's Heavy Duty Pro Rear Systems are the perfect solution to add coilovers to your car or truck. Designed for any vehicle with a 1700-2600 lbs. rear axle weight, this kit includes all the necessary hardware and bracketry for a seamless installation. With double shear bracketry and increased spring rates, it ensures the strength and support you need for street and race applications. This simple weld-on kit features axle mount bracketry, upper shock mounts and tubing, and fully adjustable QA1 coilover shocks and springs. Ride Height Adjustability Our axle-mounted brackets offer increments of adjustment, and the coilover shock allows for fine-tuning. Combined, you will have a total of 9 of ride height adjustability, giving you full control for your desired stance. Double-Adjustable Coil-Overs For performance enthusiasts who demand precision handling and control, our double-adjustable Proma Star shocks are the perfect choice. Perfect for both street and track use, double adjustable shocks are famous for their independent rebound and compression tunability, giving you exceptional handling and control for finer control over your suspension. Easy, Weld-In Installation Each kit comes complete with the essential brackets, tabs, and hardware, making it a simple weld-on solution to get the job done efficiently without excess fabrication or trips to the parts store. Best In-Class Lifetime Warranty Register at QA1.net/warranty for lifetime coverage of your QA1 shocks. Made in the USA QA1's Heavy Duty Pro-Rear Systems is proudly made in Lakeville, Minnesota. Fitment Notes Welding required Designed for 3.25 axle tubes Included tubular upper shock mount dimensions are 1-5/8 diameter x .095 wall, 40 long Requires use of QA1 spanner wrench T114W or T115W

  • Available with MOD Series, double, single or non-adjustable valving options
  • Excellent DIY solution for drag, street performance & street rodders alike
  • All mounting hardware included
  • Made in the USA
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 62778978312

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4.2 ★★★★★
Based on 6 reviews
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Product Reviews
M
manuel
Draper, US
★★★★★ 5
Perfect combo replacement parts.
These replacement parts fit my Eufy C10 without any issues and were easy to install. Everything snapped into place just like the original components, and I did not need any tools or adjustments. It was a quick refresh that had the vacuum back to normal cleaning right away. The main brush feels sturdy and does a good job picking up debris without getting tangled too quickly. The side brushes spin smoothly and reach edges and corners well. I also noticed that the filters fit securely and do not feel flimsy, which helps maintain suction and keeps fine dust contained. The dust bags are well made and install cleanly without gaps or leaks. After replacing the parts, the vacuum runs quietly and cleans more efficiently, especially on hard floors and along baseboards. It feels like routine maintenance that actually makes a noticeable difference in performance rather than just a cosmetic swap. Overall, this is a solid replacement kit that matches the original parts well. It is a convenient way to keep the robot vacuum running smoothly and is a good option if you want reliable performance without hassle.
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Reviewed in the United States on February 1, 2026
K
KFM
Dallas, US
★★★★★ 5
Practically 1:1
This kit is pretty much the same quality you would expect if you ordered directly from Eufy, excepting the HEPA filters which are *slightly* larger, and kind of weak compared to the originals. Aside from the filters, though, these are all very high quality parts, and practically indistinguishable from anything you would get directly from the manufacturer. I went all in with these and replaced all of the original parts with these in one go a few weeks ago and the C10 is performing just as well as it did with the original parts. The size is spot on, the roller brush has the exact same functionality (unlike the ones I had ordered in the past for my 15C which scuffed up the unit), and the dust bags are functioning just like the originals, as well. I stuck the included cleaning brush off to the side in the base, and I use it to clean the unit every time I clean the HEPA filter. Honestly, you really can't beat this value, these are great quality, and so much cheaper than the original parts.
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Reviewed in the United States on January 24, 2026
R
Rich D.
Charlottesville, US
★★★★★ 5
Great Value Replacement Kit for Eufy C10
I recently picked up the Eufy C10 robot vacuum and absolutely love it, so I was excited to find this accessory kit. This is a much more economical way to stock up on all the wear-and-tear parts your robot needs. Everything fits perfectly, the quality feels solid, and it includes all the essentials—main brush, side brushes, filters, and disposable dust bags. Having these on hand makes maintenance easy and keeps the vacuum running at peak performance. If you own a Eufy C10, this kit is a no-brainer. Pros • Excellent value compared to buying parts individually • Includes all common replacement items • Fits the Eufy C10 perfectly • Good build quality on brushes, filters, and bags • Easy snap-in replacement with no tools required Cons • None so far Verdict A smart and affordable way to maintain your Eufy C10. Everything you need in one kit, good quality, and great peace of mind. Highly recommended.
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Reviewed in the United States on January 14, 2026
R
Reviewer
Draper, US
★★★★★ 5
Everything You Need for Your Eufy S1 Pro
Color: Omni S1 Pro Accessories kit(14 Pieces)
This starter kit ensures that your Eufy S1 Pro Consumables are being replaced as directed by the manufacturer. Comes with both roller brushes and filters!
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Reviewed in the United States on June 15, 2025
R
Robert
Los Angeles, US
★★★★★ 5
Complete Kit at a reasonable price. Fits my Omni S1 Pro!
Color: Omni S1 Pro Accessories kit(14 Pieces)
I love my Omni S1 Pro robotic vacuum. Being able to get a complete resupply pack for my vacuum is wonderful. The whole kit at the coupon value is very reasonable. The mop roller and brush fit my Omni S1 Pro robotic vacuum with no issues. The bags slide right into the charger base and are detected like my other bags I use. Very pleased with the kit will order again
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Reviewed in the United States on May 16, 2025

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