Manufactured by Belltech | 6525 | 2014-18 Silverado/Sierra 1500 2wd/4wd Reg/ext/crew cab 5 or 6 inch Rear Flip kit. Use with 6700 shackles for a 4 inch drop, 2014-18 Chevrolet Silverado/Sierra 5-6 inch Rear Drop. Requires 8510 or 2212FF rear shocks. Use with 6700 shackle and 2212FF rear shocks for 4 inch rear drop, Belltech Rear flip kits are engineered for each individual application, to relocate or “flip” the trucks axle from underneath the leaf spring pack, to on top of the leaf spring pack. This brings the axle and the wheels closer to the truck frame, lowering the rear of the truck up to 7”. Each kit is manufactured with high quality steel and feature a durable powder coated finish and Grade 8 hardware. A Belltech C-Notch is included in most Rear Flip Kits. Product information updated on 2024-07-04. This product can ship by Small Parcel