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UMI Performance Spring Spacer Kit

Marsoni M251S
Sale price$39.99
Pay 4 payments of $10.00 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
UMI Performance Spring Spacer KitUMIs rear spring spacers may be just the ticket to achieve that perfect stance or prevent tire rub. UMIs zinc coated, laser cut mild steel spacers are available in 1 8 and 3 16 thickness and can be safely stacked. They provide an easy way to fine tune the rear ride height of your GM A, G and F Body. No cutting, welding or drilling required. We recommend these for fine tuning only, and maximum adjustment amount is the responsibility of the installer.
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Your UMI Performance Spring Spacer Kit orders ship within 1-2 business days.

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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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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
4.3 ★★★★★
Based on 383 reviews
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Verified Purchase
Deanne
Whiting, US
★★★★★ 5
Recommended 100
Size: 16, Color: Navy Blue-vest Set, Size: 16, Color: Navy Blue-vest Set
My little man looked amazing for my wedding. Love my handsome guys. I do have to say I'm a lucky lady. Highly recommend this. Material everything was top notch and the price just makes it even better.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
A
Verified Purchase
Amazon Customer
Chelsea, US
★★★★★ 4
Good for the price
Size: 7, Color: Navy Blue-vest Set
Purchased for a wedding. My 6 year old was the ring bearer. Perfect fit and he felt like million bucks in it. The color was as advertised and it’s well made. Great value. The under shirt did shrink after washing
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 15, 2025
T
Verified Purchase
TIFFANY
Pawtucket, US
★★★★★ 5
Perfection
Amazing quality and great value for the price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
A
Verified Purchase
amanda graham
Pawtucket, US
★★★★★ 5
Good quality
Size: 18, Color: Gray-vest Set, Size: 18, Color: Gray-vest Set
Fits well love the quality and every single pieces were in my package
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Reviewed in the United States on April 1, 2026
S
Verified Purchase
sharon canyon
San Leandro, US
★★★★★ 5
Perfect shirt for costume
Got it for my son’s Halloween costume. Wanted him to match his dad’s uniform. It was perfect. The material is more silky ish than stiff but it worked just fine for me!
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Reviewed in the United States on November 7, 2025

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