VERTEX Pro-Formance Full Top End Gasket Kit Yamaha SJ / WB 700cc 96-17

Well known Vertex pistons from Italy. They make a complete range of 2 and 4 stroke race pistons for the off-road markets of motocross and enduro. Two stroke pistons are made from gravity cast aluminium alloy with silicone content. Four stroke pistons are forged for superior strength and durability.