This part is a kit 
 
SUSPENSION LIFT KITS
FABTECH 21-C FORD BRONCO 4WD 4 DOOR ONLY 3IN UCA KIT W/UNIBALLS & LWR LINK KIT 
SUSPENSION LIFT KIT LIFT: 3 In
 
21-C FORD BRONCO 4WD 3IN UNIBALL UCA SYSTEM
LTL ONLY: No
LENGTH: 15.50 in.
WIDTH: 15.50 in.
HEIGHT: 6.00 in.
WEIGHT: 21.00 lbs.
DIM WEIGHT: 6 lbs
OVERSIZE: No
 
21-C FORD BRONCO 4WD LOWER LINK KIT
LTL ONLY: No
LENGTH: 36.10 in.
WIDTH: 6.50 in.
HEIGHT: 2.60 in.
WEIGHT: 35.00 lbs.
DIM WEIGHT: 3 lbs
OVERSIZE: No