All Vertex Pistons Feature: 
- Standard pistons and components are OEM replacements.
- Kits include piston, rings, wrist pin and circlips.
- All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.
- Replacement rings are sold individually.
- Made in Italy.
- Fitted in many oem bikes as STD.

YAMAHA YZ-WR250 250cc 99-19 RACE PISTON KIT 22591A 66.34mm

SKU: 1595