PISTON YAM YZ/WR400F 98-99 +3mm 12.5:1
All Wiseco Piston Kits contain piston, rings, 2 x circlips, piston pin Wiseco aluminium-forged pistons are lighter & more dependable than most cast or hypereutectic pistons, giving you the performance you want. Wiseco uses the world's most advanced forging process followed by an extensive heat-treat & finishing process that assures optimum performance & reliability for your motorcycle. NOTE: Oversize pistons may be available - check availability with your dealer.
WISECO LIMITED WARRANTY CONDITIONS APPLY. FOLLOW FITMENT INSTRUCTIONS ENCLOSED WITH THE PISTON. ENSURE ALL TOLERANCES ARE CORRECT BEFORE FITTING.