Pro comp 6” Lift Steering Knuckles (2) for 1999-2010 GM 2500 3500 HD 4x4 Pickup / SUV

This is component box #2 for Pro Comp 6" lift kit # K1084. These are designed for a Pro Comp 6" lift!!!

• Pro Comp box number 51801B-2
• Driver side knuckle part # 90-4245
• Passenger side knuckle part # 90-4246

Measurements (as shown in photos):

• Roughly 19.5" top to bottom
• 8.5" from top to tie-rod mount
• 10.5" from top to top of hub mount area

Fitment Guide:

CHEVROLET

• Silverado 1500HD 2001-2006
• Silverado 1500HD Classic 2007
• Silverado 2500 1999-2004 (4x4)
• Silverado 2500HD 2001-2010
• Silverado 3500 2001-2006
• Silverado 3500HD 2007-2010
• Suburban 2500 2000-2013

GMC

• Sierra 1500HD 2001-2006
• Sierra 1500HD Classic 2007
• Sierra 2500 1999-2004 (4x4)
• Sierra 2500HD 2001-2010
• Sierra 3500 2001-2006
• Sierra 3500HD 2007-2010 
• Yukon XL 2500 2000-2013