Inner - PVC Backing

long lasting

It's lightweight

have all switched to or are using the FE # 2 chain guide on their factory bikes

VertexWinderosa - Forged Replica Piston Kit (23857A) Options:Piston Kit Inner - PVC BackingForged OE Replacement Piston Forged Replica pistons are forged OE replacements. Forged pistons are forged from 2618 aluminum for superior strength and durability. All piston skirts are coated with a high tech coating for faster break in time and increased piston life. All pistons are heat treated with a T 5 hardening and tempering cycle. Kits include piston, rings, wrist pin and circlips. Exact fit A, B, C or D pistons match your cylinder bore