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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
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Description
UMI Performance 67-72 GM A-Body Spring Kit 2in LoweringA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. Our front springs are wound from 5160 CrSi premium wire and feature a linear 530 lb in rate. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb in rate. The linear rate provides consistent handling
A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. Our front springs are wound from 5160 CrSi premium wire and feature a linear 530 lb/in rate. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb/in rate. The linear rate provides consistent handling characteristics which are important for Auto-x and Pro-Tour applications while the increase in stiffness reduces body roll and prevents the “floating” feeling so common with the A-body. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving/cruising. The ride height is engineered for a 2” lowering with standard SBC, Pontiac 400 and aluminum head/intake Big Block Chevy as well as LS power (lightened cars may require spring trimming). The front springs are also suitable for full weight Big Block applications when ¼” nose down rake is desired. They have a tough, black powder coat finish and UMI proudly manufactures these premium quality springs 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:
- 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
4.1 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
fits and works for s1 as well
Size: 16 Fl Oz (Pack of 1)
I bought this for my omni eufy s1, and it fits. For some reason it doesn't confirmation of it clicking in place.
But it has the same exact size and shape as the one being sold for exclusively for the s1. All you have to do is take off the stick, push it down, and then push it in.
So it fits, it just doesn't give auditory confirmation when you're putting it into the base station. Which is weird but whatever. I got this because it was $4 buck cheaper then the other one they're selling.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Real Ceramic Coating
Size: 16 Fl Oz (Pack of 1)
Great product, 100 % recommended.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
It works
Size: 16 Fl Oz (Pack of 1)
It works great. Don't know how long it will last after a few car washes
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Very Very Good Product
Size: 16 Fl Oz (Pack of 1), Size: 16 Fl Oz (Pack of 1)
The description says ToreTark helps keep dirt and grime away from your vehicle after use. I applied this product on my vehicle November the 9th. Today, (Two Weeks later, without cleaning) November 23, 2025, I cleaned the outside of my Tacoma. I cleaned the driver's side of the truck using dry towels only. The passenger side of the truck I used my favorite cleaning product. ToreTark was easy to apply, the driver's side is still shining with only a dry cloth to wipe it down. The passenger side is still shining although I used my favorite cleaner. The wax quality I can't judge, don't know the appropriate description. All I can say is it is still one heck of a protective shine. I am not a professional car cleaning guru. For the weekend shiners, you will like this product.
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Reviewed in the United States on November 23, 2025
★★★★★ 4
Good product but overpriced
Size: 16 Fl Oz (Pack of 1)
Good product but overpriced
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Reviewed in the United States on January 19, 2026