The high quality intake and exhaust valves made of martensitic and austenitic steels in monometallic and bimetallic versions in accordance to technical requirements of the original engine producers.
The application of various materials and ways of workmanship in the valve stem production
Bimetallic (friction welded) intake and exhaust valves
Valves with chrome plated stem, valves of high wear resistance characteristics.
Valves filled in with sodium
Valves with deflector
Various treatments of the valve stem end and grooves
Valves with induction hardened grooves and the whole stem in all technical versions in accordance to specifications of engine producers.
Valves with hardened stem part by welding of stellite alloy.
Valves with induction hardened stem part.
Thermical treatment and combining of various materials in valve seat workmanship
