These are exact replacement door cylinders with one important change fittings on ours are 1/8 pipe thread so that adapter is not needed to accommodate the Poly Tite fittings we use on the Bricklins.
Lott inside door lock switch for the Bricklin SV1
Lott Bricklin door lock switch set. This is for all three.
Lott upgraded left inside door switch for the Bricklin SV1.