Swing Arm [SD] Models

Swing Arm [SD] & 'SLIM [SD]' Models.

Note: Starting on 5/25/26, the four screw holes in the [SD] Swing Arm were moved out a little from a 1" bolt circle to a 1 1/8" bolt circle.  If you ordered your unit after 5/24/26, then you need the newer style swing arm.