Pro Comp 4” LIFT Steering Knuckles (2) for 2007-2021 Toyota Tundra 57048B-2

You will receive 2 new front Pro Comp steering knuckles (1 left & 1 right side). These are designed for a 4" lift and are the correct parts for Pro Comp lift kit K5079T.

Pro Comp box # 57048B-2. Pro Comp uses this part number for both their 4" and some of their older 7" lift kits, but it is NOT the correct number used in their 6" kit. Please verify knuckle part numbers listed below. 

Fitment Guide:

TOYOTA

• Tundra 2007-2021 4x4 / 2wd (w/ 4" Pro Comp Lift)

Specifications:

• Pro Comp box # 57048B-2
• Driver side knuckle part # 90-4333
• Passenger side knuckle part # 90-4334

Measurements:

Top to bottom edge: 23.5"

Top mount to center mount: 15"

Center mount to bottom edge: 8"

Center mount to opposite side edge width: 10"