TOP END KIT 76.95/STD 13.8:1 YAM 191-44032K resulting in a high compression

resulting in a high compression profile and offsetting any change in volume caused by valve dishes

1995 - ST1100

Front and back reflective logos

and # plate in factory OEM colors

TOP END KIT 76.95/STD 13.8:1 YAM 191-44032K resulting in a high compressionAll piston skirts are coated with a high tech Molybdenum Disulfide coating for faster break in time and increased piston life Forged pistons are forged from 2618 aluminum for superior strength and durability Forged Replica pistons are forged OE replacements All pistons are heat treated with a T 5 hardening and tempering cycle All rings are OEM replacements. Top end piston kit includes piston, rings, pins, circlips, top end gaskets, and wrist pin