We deal a lot genuine Isuzu engine parts, and now looking for a supplier of quality made crankshafts.We are ready to order the items below. Need them forged HRC 53+Crankshaft 4HK1 5 8-98029-270-0 IsuzuCrankshaft 6HK 5 8-97603-004-0, 8-94396-737-4 IsuzuCrankshaft 6WG 5 1-12310675-1 IsuzuCrankshaft S6S 5 32B20-10031 MitsubishiWhich one you produce? Can make such quality? Please quote each item 5 pieces for beginning, if produce. Delivery dates?Are you dealing starters / alternators for excavators?