Replacing air cylinders on thoracic and lumbar drops 1" to 1 1/4"

Replacing 1 inch cylinders with 1 1/4 inch

PARTS: 1/4-20 x 3/4" long bolts 1/4-20 nuts

Weldments: FR 11-120 (lumbar) & FR 11-121 (thoracic) FR 11-25D lifter (same for both)

1. Cut off original mount tab
2. Drill and bolt on new tab
3. Replace lifter
4. Attach 1 1/4" bore cylinders

The cylinders are identical but the brackets need to be on the correct side.