


Supertech Dual Valve Spring - 29/21.80mm-21-15.5mm - 22mm CB - 18.3mm Max Net Lift - Set of 16
Marsoni
M251S
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Friday, May 29
Supertech Dual Valve Spring - 29/21.80mm-21-15.5mm - 22mm CB - 18.3mm Max Net Lift - Set of 16Supertech Dual Valve Spring 29 21. 80mm 21 15. 5mm 22mm CB 18. 3mm Max Net Lift Set of 16
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Your Supertech Dual Valve Spring - 29/21.80mm-21-15.5mm - 22mm CB - 18.3mm Max Net Lift - Set of 16 orders ship within 1-2 business days.
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- Fast: 2-3 business days
- Express: 1-2 business days
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★★★★★ 5
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Better than the oiled version, if you're not chasing track performance. Fit perfectly into my Accord. I still get 34MPG, so it's at least as good or better than OEM, and still better than other options you'll find. No complaints here.
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Reviewed in the United States on March 12, 2026
★★★★★ 5
Late and damaged box
Nice but arrived to late
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Reviewed in the United States on February 16, 2026
★★★★★ 5
Amazing Product!!!
It’s a great fit for my 2017 Honda accord! And there was defiantly improved function in my car! It defiantly saves me money and is a good price for what it is. It also made my car smell a thousand times better!
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Reviewed in the United States on July 20, 2025
★★★★★ 5
Fits great
Perfect
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