Model: Sierra 1500 5.3L Crew Cab
Gear size: OEM 3.23's (barf) (4.10's coming later this month)
Tire Size: 285/70/17
Wheel Size: ARE Baja 17x9, 4.5" backspace
Lift kit size and Brand: CST 4" spindle lift
Lift Blocks: 3" Fabtech lift blocks in the back
Body Lift: None.
Aftermarket Bumpers: None
Fender Height Measurements: Dunno
Any fender or body trimming needed?: Lower portion of front fascia
Use: Highway mostly, Houston floods, miscellaneous obstacle clearance.