Chassis Components› Crossmembers

ProComp

Pro Comp Rear Crossmember

$1,180.74

SKU: P020 91-5723

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Pro Comp 91-5723 is a rear crossmember designed for use with a 6-inch lift kit on 1999-2010 GM 2500HD series trucks, specifically the Chevrolet Silverado 2500HD and GMC Sierra 2500HD 4WD models. This component is essential for maintaining proper suspension geometry after installing a lift kit.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandProComp
Part NumberP020 91-5723

Videos

New Pro Comp 6 Inch Knuckle Suspension System for '99-'09 Chevy HD

New Pro Comp 6 Inch Knuckle Suspension System for '99-'09 Chevy HD
6" ProComp LIFT KIT for silverado. 50k MILE REVIEW

6" ProComp LIFT KIT for silverado. 50k MILE REVIEW

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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