Stainless steel swirl polished and chromium plated engine valves. They are used for high performance racing engines.
3411570: 57.1 11.0 154.5 3411320: 57.1 11.0 154.5 6811050: 71.5 14.0 170.5 3611510: 71.5 14.0 170.0 Yuhuan Gench Engine Valve Co., Ltd
M115/ 220, 200/ 220, OM327/ 360, OM314/ 352/ 352A, OM346/ 355, OM355A, OM362/ 364/ 366/ 366A, OM401/ 402/ 403/ 404/ 421/ 422/ 423/ 424, OM422A/ 444A/ LA, ACTROS/ 501/ 541/ 502/ 542 Mercedes & Daimler Benz diesel engine....