Hello, I am looking for the following sensors,Crankshaft position sensor # 56027864 (cross references to Walker Products # 235-1116)Crankshaft Position Sensor # 56027864 Initial order will be for the two above part numbers; Up to 200 units each depending on anticipated demand. Ongoing continuing orders for the rest of the year. Part quality is of upmost importance. Will need background on manufacturing process and material components.Thank you