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Manley Subaru WRX/STi .490in Valve Spring and Retainer Kit (w/o Valve Locks) (16 each)

Marsoni M251S
Sale price$266.50
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Get it in 3 business days with 1 day shipping. Friday, May 29
Manley Subaru WRX/STi .490in Valve Spring and Retainer Kit (w/o Valve Locks) (16 each)Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race ready. Engineered for maximum durability, stability, and precision in high performance and racing applications, these chrome silicon alloy springs provide exceptional fatigue resistance and high tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these kits, featuring premium springs, retainers, designed to
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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
4.2 ★★★★★
Based on 698 reviews
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Verified Purchase
Exelente el producto muy buena y rapida la entrega , estoy muy satisfecho
Fort Morgan, US
★★★★★ 5
Buen producto
Excelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
J
Verified Purchase
jmia161
West Palm Beach, US
★★★★★ 5
Perfect on 1999 Volvo v90 XC AWD
I had looked everywhere for an oil filter wrench that would fit the cartridge filter on this1999 Volvo v90 XC AWD. Nothing local worked and then there was the issue where the recommended filter wrench slipped. When I was ordering the 86.6mm wrench, I looked at the pictures and noticed it said if I had a specific type of marking on the housing then I would need this 86.4mm wrench instead. Thanks to that bit of info I can now replace the filter. Works 100% like a charm and filter was easy to remove with a standard ratchet. Wrench seems well made and the price was perfect, especially compared to some of the others that are $35+. Very satisfied with this purchase.
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Reviewed in the United States on August 22, 2024
G
Verified Purchase
Golden Girl
Cuba, US
★★★★★ 5
Money Saver!!!!
Purchased yesterday and put bot cans in my gas tank. Very pleased with how it works. Had a code P0175 02 sensor bank 2. Thought I had to replace the sensors but looked into products and read the reviews of these can. Check engine light went off this morning. Drove it aggressively after I used the cans and they worked as advertised. Highly recommend.
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Reviewed in the United States on May 12, 2026
D
Verified Purchase
Dave sick
Fort Morgan, US
★★★★★ 5
car performance improvement
I bought this to use in my 2021 chevrolet equinox when my check engine light came on with an exhaust issue. so far I believe it's working. I have noticed increased mileage and a little more "zip" in the engine.
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Reviewed in the United States on May 28, 2026
J
Verified Purchase
JayJay
Whiting, US
★★★★★ 5
Works for us!
We use this regularly in my car. Seems to help keep sensors clear. My engine light comes on if I don’t add. We add it to gas tank. My husband says it’s because of poor quality (dirty) gas from other countries.
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Reviewed in the United States on May 22, 2026

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