Vertex Complete Gasket Set with Oil Seals Yamaha brand-quantum-fuel-systems Exterior Diameter: 121 mm

Exterior Diameter: 121 mm

Koubalink recommends a 20% increase in the proper spring rate for the rider due to the change in the leverage ratio

Piston Size: 47

Factory assembled and trued to O

Product weight: From 1

Vertex Complete Gasket Set with Oil Seals Yamaha brand-quantum-fuel-systems Exterior Diameter: 121 mmNOTE: This complete Vertex Gasket Set contains all parts as pictured. Produced in the U. S. A. with the latest materials and technology in gasket production to Vertex specifications. Vertex gaskets ensure long lasting performance and leak prevention for your rebuild needs. Vertex's replacement gaskets and seals are available as top end kits, complete engine kits, or as an oil seal kit. One kit containing all of the gaskets, O rings, and valve seals