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- USA
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
Supertech Ford/Mazda Duratec Single Valve Spring Kit - 55lbs at 35mmUpgrade your engine's performance with the Supertech Ford Mazda Duratec Single Valve Spring Kit, designed to provide reliable and consistent valve control. Engineered for durability and high efficiency, this kit features a 55lbs spring pressure at 35mm, offering the perfect balance of strength and precision for your tuning needs. The kit is specifically built for Ford and Mazda Duratec engines, ensuring a precise fit and enhanced engine response.
Upgrade your engine's performance with the Supertech Ford Mazda Duratec Single Valve Spring Kit, designed to provide reliable and consistent valve control. Engineered for durability and high efficiency, this kit features a 55lbs spring pressure at 35mm, offering the perfect balance of strength and precision for your tuning needs.The kit is specifically built for Ford and Mazda Duratec engines, ensuring a precise fit and enhanced engine response. Whether you're building a high-performance street car or a motorsport project, these valve springs deliver the quality and endurance necessary to handle demanding conditions.
Manufactured by Supertech, a respected name in performance engine components, this kit is ideal for enthusiasts looking to improve valve stability and prevent valve float at high RPMs.
Its robust design helps maintain optimal valve timing and engine efficiency, contributing to better power output and longer engine life. Trust the Supertech Single Valve Spring Kit to keep your Duratec engine performing at its peak.
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
4.6 ★★★★★
Based on 685 reviews
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Product Reviews
★★★★★ 3
Squeaker not working!
Color: Yellow
I'll give it 3 stars because I love the design and it's sturdy and great for dogs to hold/launch. That said, the squeaker doesn't really work... I tried everything but it just doesn't make any sound. My dog wasn't really interested but when it did make a slight sound he approached it. Once it stopped he lost interest. But he's very difficult to please😆 so if you have a normal dog, he'll probably like it!
I hope the manufacturer fixes the squeaker issue because apparently many people are having the same issue, which is a shame because the product is clearly well made!
I'm on the fence about returning it just because the quality it's amazing(squeaker issue aside)!
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Reviewed in the United States on September 19, 2025
★★★★★ 4
Sturdy rubber ball. Noise maker could be improved
Color: Red
I would have given it five stars because of how much, my dog loved it in the beginning.
And shut us up holds true as a sturdy rubber ball. My only complaint is at with one of my dogs being a heavy chewer, she was able to bust the noise making part. The ball never broke open or anything. It just no longer makes noise. You can hear the piece rattling on the inside. The ball itself is still solid tho
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Reviewed in the United States on March 6, 2026
★★★★★ 1
POOR QUALITY WHILE OVER PRICED
Color: Brown
Like so many others said, the sound box in this ball is faulty. lasted ONLY for 30seconds. My dog loves the giggle ball I purchased prior so I knew she would like this as well. Well, she did, for that whole 30 seconds. Both of us were so disappointed we could not further our play. Plus this ball was so much smaller than expected for the cost. I would not have minded the cost had this ball been on the ball! Don't purchase this item. Buy the giggle ball instead if you haven't already.
UPDATE...
Ran across this message at a later date and I would like to thank the sellers at Mewlmart for their response and showing the best business practices as stated in their response below.
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We sincerely apologize for any inconvenience regarding your order and would like to offer you a full refund for your purchase.
If you would like a full refund: please reply 'Full refund'.
We hope that you give us another chance. Thank you very much.
Best regards,
Mewlmart
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Only thing is I wish I had seen their message earlier, as I believe the window of opportunity for a refund may no longer be applicable. But who knows, they may reach out and still honor it when they review this review. Will update if that happens as it is worth mentioning the extra mile they may take. I am sure I would just then turn around and buy another product from them, giving them another try:)
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Reviewed in the United States on January 2, 2024
★★★★★ 5
Brody loves the Owl ball
Color: Brown, Color: Brown
My dog loves this ball! He destroys every toy! He loves balls but he destroys all of them. He loves Owl ball! It’s challenging for him to pick up & loves the sound. Best toy he has! Keeps him entertained & he can’t destroy it!!
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Great toy
Color: Red
Indestructible by my Boxers
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Reviewed in the United States on March 21, 2026