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Supertech Mazda Miata 1.6L Dual Valve Spring Kit (70lbs at 34.2mm Installed Height)

Marsoni M251S
Sale price$315.29
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Supertech Mazda Miata 1.6L Dual Valve Spring Kit (70lbs at 34.2mm Installed Height)SKU: SPRK MM16D 2 Supertech Mazda Miata 1. 6L Dual Valve Spring Kit (70lbs at 34. 2mm Installed Height) Enhance Mazda B6 DOHC Miatas performance with Supertechs high performance valve spring kits, the preferred choice of the world's best engine builders. Crafted from premium Superclean Chrome Silicon Vanadium Steel alloy, our valve springs kits deliver exceptional durability and performance at high RPMs. Each spring is computer designed to maintain
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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.
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4.4 ★★★★★
Based on 1038 reviews
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Verified Purchase
Jesus suarez
Massapequa, US
★★★★★ 5
Recomendado
Si utilizas un 4.6L Stoker es obligatorio utilizar en cada cambio de aceite.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
E
Verified Purchase
Ed H.
Houston, US
★★★★★ 5
Hard to find.
Good stuff. Hard to find. It should extend my engine life.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
D
Verified Purchase
doug kowitz
Fort Morgan, US
★★★★★ 4
Great product
Quick delivery.
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Reviewed in the United States on April 29, 2026
D
Verified Purchase
David Williams
Bozeman, US
★★★★★ 5
Use as directed, when needed, and you'll be good to go.
A must have if you have a need for a ZDDP additive. This won't fix your worn valve seats, leaking piston rings, seasonal depression or gout but it will improve the lubricating properties of a quality oil in a properly maintained motor for your longevity goals.
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Reviewed in the United States on February 5, 2026
M
Verified Purchase
Michael R.
Massapequa, US
★★★★★ 5
Every oil change for bikes
I use this in my bike every oil change
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Reviewed in the United States on April 8, 2026

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