Primary Billet Spring Cup

Marsoni

M251S

$99.99

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

Primary Billet Spring CupThis product is for those using higher engagement springs and want their spring cap to hold up. Made from a solid billet aluminum piece with a high quality bushing for smoother shifting this is the product that you want. There are 2 types of sheaves. One clutch which is the updated movable sheave has stainless steel sliders. The older one does not. Most if not all 120hp x3 cars come with the non stainless steel sliders. Most if not all Turbo RR models

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Your Primary Billet Spring Cup orders ship within 1-2 business days.

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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These really do work well. This is one of the first winters that I have not experienced painful, cracked heels. They are long lasting, and definitely make my heels smoother and softer after wearing them. For the first few times wearing them I simply went with the moisturizer embedded in them. After a few uses I then covered my heels with Aquaphor Advanced Therapy Healing Ointment. This worked even better, and I would recommend it. I am very glad I bought these. Of note, I have really big feet that are quite wide and the XL are a little snug but not uncomfortably so. I use them overnight, but also have worn them under socks and they work fine.

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Reviewed in the United States on February 3, 2026

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Ashley Brooks

Chelsea, US

★★★★★ 5

Love the way this makes you shimmer and shine. It's absolutely beautiful.

Color: Light Rose Gold Body Glow, Color: Light Rose Gold Body Glow

This stuff is bomb! It is so good. It looks so good on the skin and it doesn't have a bad smell. It smells actually good. I would continue. I will continue to purchase this product. I love it that much!

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Reviewed in the United States on April 12, 2026

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LinaaTrejo

Phoenix, US

★★★★★ 5

Order it, you won’t regret it.

Color: Light Rose Gold Body Glow

Super glittery! Very pretty and love how it has a tint of color!

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Reviewed in the United States on April 4, 2026

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TeeShirtLing

Pawtucket, US

★★★★★ 4

Pretty

Color: Light Rose Gold Body Glow

This stuff has a strong scent. Sort of beachy, sunscreen smell, which is not my favorite. It is definitely shimmery. I used this for a hawaiian themed party. It was pretty! It dried down fairly quickly. I did place a towel down in my car before I got in it just in case some of it came off the back of my legs and got all over the seat. I wear black pants to work most days, and didn't want a glitter butt every day.

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Reviewed in the United States on November 26, 2025