Best ones to use for 1.7 1.8. Got a couple sets of these to sell. # 021 105 719 A In factory german parts in boxes. Will trade for other sizes for 1.7 1.8 or 2.0 thanks will deal for several sets Have nos .50mm main bearing sets as well that I'll post soon will trade for other sizes or type 4 parts 6$ shipping in US small flat rate box thank you. _________________ Loving boxing is free please s...