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Vertex Top End Rebuild Kit - YFM350FW Big Bear 1987-96 (V-23103) 82.95mm

Marsoni M251S
Sale price$143.68
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Vertex Top End Rebuild Kit - YFM350FW Big Bear 1987-96 (V-23103) 82.95mmVERTEX TOP END REBUILD KITS Piston Kit Vertex pistons have an outstanding reputation for quality and performance. Each gravity cast piston is created with only premium aluminium alloys utilizing a 12 21% silicon content. The silicon content in Vertex pistons is crucial to the quality of the piston. Silicon is critical in decreasing thermal expansion which, when an engine reaches normal operating temperatures, can change the geometry of the piston.
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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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Amazon Customer
Bozeman, US
★★★★★ 3
Soft but easily rolls down
Size: X-Large, Color: B004
Comfortable and soft but it kept sliding down, I have a longer torso so that could be why, but I couldn’t get it to stay up, it would constantly roll into my C-section scar
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
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Payton
Grantham, US
★★★★★ 5
Perfect for whatever activity!
Size: Large, Color: B004
I bought these specifically for my postpartum journey, and I still wear them. They are so comfy & a perfect length.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
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Verified Purchase
Swetha Puchakayala
Chelsea, US
★★★★★ 5
Worth Spending
Size: X-Large, Color: B004
Super comfortable....
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
T
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Terrie
Pawtucket, US
★★★★★ 5
Warm and comfy thermal wear
Size: Small, Color: Navy
They are very soft, don't ride up. Clothes do not stick to them like other thermals do. The fit is perfect. They are warm and comfy. The quality is good, too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
A
Verified Purchase
AmazonCustomer
Pawtucket, US
★★★★★ 5
Comfortable, well made, washes well, would buy again
Size: Medium, Color: Light Grey
I bought these as a gift for my friend who lives in cold country and she says she loves them and they wash-and-wear well and are well made. Also very warm. Very comfortable and the fit is right on size. I would order them again
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Reviewed in the United States on January 21, 2026

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