This is A GREAT DEAL ON BRAND NEW OVERSIZED HEAD PIPE GASKET FOR THE FACTORY B STYLE EXHAUST SYSTEMS
These will fit many of the Factory B Pipes w/ a bored out exhaust manifold
These are used on many of the 650 750 800 701 760 Jetski and super jet models.
The center hole diameter is 50.69mm
We do also have the stock 45mm gaskets listed. Please measure before buying so you get the correct gasket