Vertex Top End Rebuild Kit - KTM 150 SX 18-23 57.96MM (V-24101C)

Vertex Top End Rebuild Kit - KTM 150 SX 18-23 57.96MM (V-24101C)

Marsoni

M251S

$181.03

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

Vertex Top End Rebuild Kit - KTM 150 SX 18-23 57.96MM (V-24101C)VERTEX 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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I was skeptical at first. How can such a quality performance air filter be so affordable? It fits perfectly and seems to perform and look exactly like the other name brand layered cotton gauze, steel meshed lifetime air filter. I sprayed some K&N oil on this thing and it feels like the engine is breathing a little easier now and performing a little better. As with anything new, your mileage will vary.

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Reviewed in the United States on October 19, 2025