This is an original GM Connecting Rod Reconditioned by Federal Mogul. GM# 837684 which is Correct for Late 1934 Master Series and All 1935-1936. .020 UNDER SIZE.  This is from a Former Chevrolet Dealership Parts Hoard from a dealer that closed in the Mid 1950's. The Cast Rod has some Minor surface rust but the babbitt bearing surface is in Good Condition.