WSM
WSM PISTON YAM FX-140 74.15MM YAM FX-140 03-09 .25MM OVER PART# 010-870-04K NEW
WSM PISTON YAM FX-140 74.15MM YAM FX-140 03-09 .25MM OVER PART# 010-870-04K NEW.
- PISTON KITS include Piston rings pin and circlips
- The piston walls are treated with a nonabrasive coating which reduces heat and friction for added horsepower and greatly extends piston life
- Made to exact OEM specifications