Genuine Lister CS big end bearing shells.
Lister part number 574-10320/040 which comprises of half shell 008-04019 and 008-04026.
Please purchase shims separately to enable you to adjust the nip/clearance which should be no more than 0.003".
We strongly advise that the bearing clearance is checked with a plastigauge kit which is available on the Plastigauge page.