To replace the troublesome block to filter head oil transfer pipe on late cars when using an early type filter head to a late type block as fitted to minis from 1992. Pre 1992 engines have 5/8" block union and 1/4" npt thread for the filter head.
12A engines from 1992 on have 11/16"UNF block and 11/16" filter head.
Therefore this kit has 11/16" thread block union and 1/4"npt tapered filter head union.
These are the following options of filter/block sizes for Pipe kits
Block union 5/8" and filter head 1/4"npt use
TAM2106BRAIDEDBlock union 5/8" and filter head 11/16"unf use
MOC1019Block union 11/16" and filter head 11/16"unf use
MOC1018Block union 11/16" and filter head 1/4"npt use
MOC1020