Description
Vertex Top End Kit Cast Replica KTM 50 SX 09-21 Size AB 39.46mm
- All piston skirts are coated with a high-tech Molybdenum Disulfide 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 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 KTM 2-stroke pistons are factory supplied to KTM
- All rings are OEM replacements
- Top end piston kit includes piston, rings, pins, circlips, top end gaskets, and wrist pin bearing or cam chain where applicable






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