Vertex Ktm 250 Exc 06-20 B Piston D.66.35

All pistons are heat treated with a T-5 hardening and tempering cycle.
All piston skirts are coated with a high-tech Molybdenum Disulfide coating for faster break-in time and longer piston life.
Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicon content, producing an extremely lightweight yet very strong piston.
Forged pistons are forged from 2618 aluminum for superior strength and durability.
Forged High Compression pistons improve power and torque throughout the rev range.
Large Bore pistons increase engine displacement, torque and peak horsepower.
Forged Replica pistons are forged OE replacements.
Replica pistons and all rings are OEM replacements.