PRO CIRCUIT Works Expansion Chamber Steel - Yamaha YZ125 One size for all helmets

One size for all helmets

For reconditioning an engine using parts identical to the original equipment

VERTEX Timing Chain 116 Links/Closed Honda CRF250R

Proven in racing at the highest levels

and sprocket nut washer (where applicable)

PRO CIRCUIT Works Expansion Chamber Steel - Yamaha YZ125 One size for all helmetsThe original Pro Circuit Works Pipe offers unparallel performance and power for every two stroke application. Increased horsepower and torque gains will quickly be noticed across the entire rpm range. The unplated, oiled metal finish requires some maintenance, but really gives your bike that "Works Look". Features Include: Stamped AKDQ high quality carbon steel construction Hand welded and pounded seams Reinforced mounting brackets and stinger Made in