Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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Description
UMI Performance 64-72 GM A-Body 1in Lowering Spring Front - SetA 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 springs are wound from 5160 CrSi premium wire and feature a linear 530 lb in rate. The 4050Fs are stiffer than stock to provide increased performance with decreased body roll and a lower center of gravity. These springs are suitable
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 springs are wound from 5160 CrSi premium wire and feature a linear 530 lb/in rate. The 4050F’s are stiffer than stock to provide increased performance with decreased body roll and a lower center of gravity. These springs are suitable for Auto-x and Pro-Tour applications as well as corner carving/cruising. The ride height is engineered for a 1” lowering with standard SBC, aluminum head and intake Big Block and Pontiac 400 as well as LS power (lightened cars may require spring trimming). The 4050F’s are also suitable for full weight Big Block applications when 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
4.5 ★★★★★
Based on 682 reviews
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Product Reviews
★★★★★ 3
Worth the price
Size: 10, Color: Tan
A little tie on the valley,
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Good
Size: 9, Color: Black
Good good good
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Reviewed in the United States on December 24, 2025
★★★★★ 5
Le quedaron bien a mi hijos
Size: 8.5, Color: Black
El zapatos ese buenísimo
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Reviewed in the United States on December 3, 2025
★★★★★ 5
Comfortable and Classic Dress Shoes That Look Great All Day
Size: 12, Color: Cognac
These dress shoes have been a great addition to my wardrobe. Right out of the box, they felt comfortable thanks to the cushioned foam insole. I can wear them for long days at work or events without my feet feeling sore, which is something I really appreciate.
The faux leather upper looks polished and well-made. The cap-toe design and subtle contrast stitching give the shoes a classic, professional appearance that pairs perfectly with dress pants or a suit. They have a clean, timeless style that never feels outdated.
The fit is true to size, and the lace-up closure provides a secure and adjustable fit. I also like the stability of the stacked heel and the non-slip sole, which gives me confidence when walking on different surfaces.
Overall, these shoes deliver both comfort and style. They look sharp, feel supportive, and hold up well with regular use. I am very happy with this purchase and would definitely recommend them to anyone looking for reliable, classic dress shoes.
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Reviewed in the United States on December 18, 2025
★★★★★ 5
Appearance
Size: 8, Color: Tan
Looks better in person
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Reviewed in the United States on May 31, 2026