199172 - 34mm Oversize Exhaust Valve Seat 501-600 1990-2000 for repairing damaged cylinder heads. Original is 33mm (20021201)
34mm suits 30mm exhaust valve for 501-600. 1990-2000
1mm oversize valve seat ready to replace the original damaged valve seat.
We can also fit these as well for you, please email for details.