Vertex Forged Replica Top End Kit For Yamaha YZ250FX 2019-2023 | VTKTC24371A Size:STD One piece 6061 Billet Aluminum

One piece 6061 Billet Aluminum design

Max HP is increased by 8% and max torque is bumped an incredible 13%

YZ 250X (2016-2021)

Bite valve with dust cover

• Interior lining comfort

Vertex Forged Replica Top End Kit For Yamaha YZ250FX 2019-2023 | VTKTC24371A Size:STD One piece 6061 Billet AluminumAll piston skirts are coated with a high tech Molybdenum Disulfide coating for faster break in time and increased piston life Forged pistons are forged from 2618 aluminum for superior strength and durability Forged Replica pistons are forged OE replacements All pistons are heat treated with a T 5 hardening and tempering cycle All rings are OEM replacements. Top end piston kit includes piston, rings, pins, circlips, top end gaskets, and wrist pin