I am interested in Crankshaft KOMATSU S4D95 4JA1 B1 4JG2 4BA1 4BD1 4BC2 4BE1 4BG1 4ZD1 C240 4HF1 6HF1 6BD1 6BE1 6BG1 6RB1 6QA1 6SA1 6SD1.We are a company Safa Trading group and we need to crank Isuzu 4BC2 AND 4BE1 but be made of steel and Japanese specifications and we will need in the first stage, about 300 crank kindly send the price and duration of delivery and thank you