Vertex Pistons: Honda CRF250R/ CRF450R


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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


CRF250R 22-2023, CRF450R 19-2023

Piston Type

Forged, Forged GP R.C., Forged Replica


11.7:1, 14.1:1, 13.5:1


78.96, 95.95


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Make Model Year
Honda CRF250R 2022 - 2023
Honda CRF450R 2019 - 2023
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