QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System - Single Adj. - 10in x 750lbs/in - Aluminum

QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System - Single Adj. - 10in x 750lbs/in - Aluminum

Marsoni

M251S

$374.98

Get it in 3 business days with 1 day shipping. Friday, May 29

QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System - Single Adj. - 10in x 750lbs/in - AluminumSKU: GS517 10750C UPC: 806990159373 QA1 99 06 Chevrolet Silverado Pro Front Coil Over System Single Adj. 10in x 750lbs in Aluminum QA1 Pro Front Coil Over System fits 1999 2006 Chevrolet Silverado 1500 and GMC Sierra 1500 with single adjustable damping and 750 lb in springs for precise handling control. Aluminum construction cuts weight while the fully threaded body allows ride height adjustments and 10 inch travel springs provide fast response for

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MUCH better than the cheap plastic OEM part, Just a reminder though, these thread into an aluminum block so be very careful to start them finger tight first, then evenly tighten both bolts to push the fitting into the chamber. If you don't, it will slightly misalign and you run the risk of stripping the threads. The one comes with the replacement o ring, and be sure to get some antifreeze on that seal prior to attempting to push it into the chamber. IT IS A TIGHT FIT, but that's what you want, so just be careful. You might also want an extra hose clamp on hand, as the one that came with this began to bend as it got tight, so I had to replace it for peace of mind. Overall, great product though.

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Reviewed in the United States on January 9, 2026

Verified Purchase

Dklnyc

Whiting, US

★★★★★ 5

Strong product

Great quality

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Reviewed in the United States on March 11, 2026

Verified Purchase

Sebastian Benavides

Houston, US

★★★★★ 1

Snapped bolt

I tried putting it on my n55 from a m235i and it did not fit properly. I was in a rush to try to put it on and thought it was on properly and I thought it did. And I snapped the bolt because the bolt because it was not aligned after I looked at harder I do not recommend for a n55. do not get this cheaply made pos. I recommend getting it from fcp euro where parts will actually fit and not fail.

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Reviewed in the United States on January 1, 2026

Verified Purchase

Baldemarg

Carnegie, US

★★★★★ 5

May not fit correctly or is difficult to fit on.

Would not advise buying. It wouldn’t fit with the o ring nor with the old one, it would only go in with no o ring. So I had to put back my old hinge and o ring. Edit: I had to add coolant to the O ring, along with somewhat forcing/prying it in in order to get it to fit flush.

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Reviewed in the United States on January 9, 2026

Verified Purchase

Johnetta

Charlottesville, US

★★★★★ 5

Works 100% on my f30 n55

No leaks made with good material you can use everything they send it will work

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Reviewed in the United States on May 26, 2026