High Performance Porsche 8mm Valve Springs and Ti-retainer kit for 993 engines

High Performance Porsche 8mm Valve Springs and Ti-retainer kit for 993 engines

Marsoni

M251S

$347.48

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

High Performance Porsche 8mm Valve Springs and Ti-retainer kit for 993 engines8mm Kit includes Aasco HP109 High Performance Valve springs, HP10T8 Titanium spring retainers and HPSS Spring Seats. These Valve Springs are designed and manufactured to specifically fit the envelope of a Porsche application not a spring from another use.

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We offer a 30-day return/exchange service after receiving.
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I’ve been using these for several days now and I did notice a difference. I tend to get hot while sleeping, so I was curious if they would actually help, and they do feel cool when you lay on them. I also like that they’re soft and comfortable, not that weird texture some “cooling” products have. So far, I’ve been really happy with them.

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Reviewed in the United States on May 23, 2026

Verified Purchase

Mopardodgegirl

Grantham, US

★★★★★ 5

It works! Quality pillow.

Size: Standard (1 Count), Color: Original White (Cooling)

This does actually provide a cooling effect, and it's very comfortable! The accompanying literature is helpful too. I believe this to be a quality pillow for the price.

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Reviewed in the United States on June 2, 2026

Verified Purchase

jin

Los Angeles, US

★★★★★ 5

Most comfortable pillow I’ve ever slept on

Size: Queen (1 Count), Color: Crescent White(cooling)

This is the most comfortable pillow I have ever slept on. It doesn't mash down like other pillows. Cradles my neck perfectly plus it’s cool. I broke my neck a couple of years ago and this pillow feels very good and comfortable. Definitely recommend to everyone. Ive used it since May and it’s retained its shape.

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Reviewed in the United States on June 6, 2026