Pro Comp 6” Lift Steering Knuckles for 2011-2019 Silverado Sierra 2500HD 3500HD

You will receive 2 new Pro Comp steering knuckles (1 driver & 1 passenger side). These are specifically designed for a 6" Pro Comp lift kit # k1087, k1088, and k1089. Also includes spare tire wheel spacer. 

• Pro Comp box # 51802B-2
• Driver side knuckle part # 90-4328
• Passenger side knuckle part # 90-4329

Fitment Guide:

CHEVROLET

• Silverado 2500HD 2011-2019
• Silverado 3500HD 2011-2019

GMC

• Sierra 2500HD 2011-2019
• Sierra 3500HD 2011-2019