Engines and Components› Pistons and Piston Rings
Vertex Pistons
Vertex Piston 03-12 KTM 85 SX 85cc Top End Piston Kit
SKU: V046 VTK24212A
Advanced — 4+ hours
Description
This piston kit includes a high-tech Molybdenum Disulfide coating on the piston skirts to promote faster break-in and extend piston life. The pistons are available in A, B, or C sizes to precisely match your cylinder bore, maximizing power and performance while minimizing blow-by and oil consumption.
Fitment
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Specifications
| Brand | Vertex Pistons |
| Part Number | V046 VTK24212A |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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