CYLINDER KIT 97.00/STD 12.8:1 YAM 581-34506 The chassis is constructed with

The chassis is constructed with a 3D mesh on the front for superior levels of ventilation and airflow with an abrasion resistant fabric covering the knee

Equipped with our original rubber mounting system "VA-S" (Vibration Absorber-System)

Aerospace grade high-temp carbon fiber

improves the effectiveness of the helmet in an impact

CYLINDER KIT 97.00/STD 12.8:1 YAM 581-34506 The chassis is constructed withComplete standard bore kits Complete standard bore high compression kits Complete Big Bore Kits Includes cylinder, piston kit and gaskets Top end gasket kit does not include valve stem seals Matched with vertex pistons to ensure longevity, performance and reduce engine noise Replacement piston, gaskets, and ring sets available Cylinder looks just like stock Nickel silicon carbide plated for longer life No machine work needed * Replacement cylinder for