199173 - Valve seat Insert Oversized - Inlet 34mm dia. for 31mm valve 350-400 1990-2000 for repairing damaged cylinder heads. Original is 33mm (20021201)
34mm suits 31mm inlet valve for 350-400. 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.