Spacers for mounting Bates seats for your pre-unit Triumph. Machined Alloy, 2.5" rise, 0.1" flange. 0.5" of diameter is 1" flat, tapering to 0.5" in remaining 2" length.
Chrome springs required (measure to determine seat height, and account for spring compreesion to select final spring height). Use 5/16" mounting hardware of your choice.
$20/pair + 4.95 s/h.