Belltech frame rail C-Sections use a "bolt-in" wrap around design that captures the frame to increase overall suspension travel and frame strength on aggressively lowered vehicles. Grade 8 hardware, template and installation instructions included. (Frame modifications necessary) Belltech Bolt in, application specific c-notch kits allow for a diy friendly installation to increase overall rear suspension travel to help reduce bottoming out situations. 1988-1998 Chevrolet Silverado/Sierra C1500 Std/Ext Cab Inc. SS 454, C2500 ((All Cabs), 6 lug) C-Notch Only
