All rings are OEM replacements.

Forged High Compression pistons improve power and torque across entire rpm range.

All piston skirts are coated with a high-tech Molybdenum Disulfide coating for faster break-in time and increased piston life

All pistons are heat treated with a T-5 hardening and tempering cycle.

Top end piston kit includes piston, rings, pins, circlips, top end gaskets, and wrist pin bearing or cam chain where applicable.

Forged pistons are forged from 2618 aluminum for superior strength and durability.