99-06 Chevy/GMC 1500 4-Link Pivot Boxes 1999-2006 They also feature a tab

They also feature a tab allowing them to be bolted to the bottom of the frame rails

- Shipped raw/unpainted

and C85 leaf springs

these pivot boxes allow for more triangulation in the upper links which improves the loading on the rod ends and adds stability

By moving the pivot points outward

99-06 Chevy/GMC 1500 4-Link Pivot Boxes 1999-2006 They also feature a tab99 06 Silverado Sierra 1500 rear 4 link pivot boxes. These take the guess work out of designing and fabricating your rear 4 link. Requires cutting the frame rails and sliding the pivot boxes over the end, as well as tying them in to your cage and back half. Works well with our 55" and 60" trailing arms! These are a weld it yourself product cut from P&O plate. 2" OD cross bar is not included. Intended for off road use only. To be welded and installed