Valve For Perkins Engine

We search the following (30pcs. of all sort)std valves with +1.0mm oversize valve plate for perkins engine
d3.152/d4.203 in ivs 2457 trw105-35470
d3.152/d4.203 ex ivs 2413 trw105-35471
4.236 / 4.248 in ivs 1877 trw105-35472
4.236 / 4.248 ex ivs 1158 trw105-35773