This is for the Head Gasket only. 800 and 1000 share the same Head and Base gaskets, the Stoke is longer on the 1000 and the 1000 Cylinders are Taller.
This 700 Header Pipe works for both Carburetor and EFI 700 Models. Simply Unplug the O2 Sensor !
Most customers say "It Runs Better !"
This Pipe comes with (1) Mid-Pipe Gasket and the (2) Head Pipe Gaskets !