Vertex Forged Replica Top End Kit For Yamaha YZ250FX 2019-2023 | VTKTC24371A Size:STD The FMF Gnarly pipe focuses

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain

‹¯¨Yamaha TTR125 2000-2020

Polaris General 4 1000 EPS 2018

2018+ RMZ450

Vertex Forged Replica Top End Kit For Yamaha YZ250FX 2019-2023 | VTKTC24371A Size:STD The FMF Gnarly pipe focusesAll 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