Vertex Top End Rebuild Kit - WR450F 12,5:1 2007-15 (V22915C) 94.95mm

Vertex Top End Rebuild Kit - WR450F 12,5:1 2007-15 (V22915C) 94.95mm

Marsoni

M251S

$227.03

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

Vertex Top End Rebuild Kit - WR450F 12,5:1 2007-15 (V22915C) 94.95mmVERTEX 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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Inconsistency in size per other reviews. The site said XL was my suggested size.....I usually follow that advice. I went XXL this time and happy I did. The neck is a medium and the rest is maybe XL....it feels "fitted" too...not very loose. I will keep it as I like a snug neck---but this needs effort to pull over my head. Having said that, the material is soft and not too thick. Just beware of sizes.

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Reviewed in the United States on October 16, 2025

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R. Lesser

Lake Worth, US

★★★★★ 5

Excellence

Size: X-Large, Color: Black

Excellent product, definitely will be buying more

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Reviewed in the United States on May 21, 2026

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Michael B.

Lexington, US

★★★★★ 1

Not black and Runs small

Size: X-Large, Color: Black

I ordered black but it was more like charcoal gray. I ordered a XL and it fit like a Large at best. The fabric was very soft, so that was a positive. Very disappointed in the color and sizing. I reordered a 2XL and it also runs very small. It fit about the same as the XL did. It is a athletic fit. There is barely any size difference between an XL and a 2XL. Highly recommend to not waste your money on this shirt.

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Reviewed in the United States on November 13, 2025

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Betsy B

Chelsea, US

★★★★★ 5

Warm and comfy

Size: X-Large, Color: White

Very soft and warm. Runs small. I’d buy up a size. Washes well

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Reviewed in the United States on March 15, 2026

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