Vertex Pistons: GAS GAS MC50/ MC65/ MC85/ MC85 RACE


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Vertex Piston Kits
All piston skirts are coated with a hi-tech Molybdenum Disulphite coating for faster break-in time and increased piston life. Cast Piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an
extremely light but very strong piston
• Forged Replica pistons are forged from 2618 aluminum for superior strength and durability
• Forged High Compression pistons improve power and torque across entire rpm range
• Forged Replica pistons are forged OE replacements
• All pistons are heat treated with a T-5 hardening and tempering cycle
• Replica pistons and all rings are OEM replacements
• Kits include piston, rings, wrist pin and circlips
• Two stroke replacement rings are sold individually
• Four-stroke piston rings sold as a set
Piston Versions:
• Cast Replica pistons – Cast OE replica piston • Cast BB – Big bore stock compression cast piston • Forged
Replica pistons – Forged replacement for a OE cast piston for better strength • Forged Replica – Forged OE stock
compression piston • Forged BB – Forged OE stock compression big bore piston • Forged Race – Unique forged
GP style race piston with only one compression ring
• Forged HC – Forged high compression pistons • Two stroke Race pistons – Unique cast GP style race piston with
only one compression ring

Additional information


MC50 21-2022, MC65 21-2023, MC85 21-2023, MC85 RACE 21-2023


50, 65, 85




39.47, 44.96, 46.94


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Make Model Year
GAS GAS MC 50 2021 - 2023
GAS GAS MC 65 2021 - 2023
GAS GAS MC 85 2021 - 2023
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