Cognito Ultimate Billet UCA Leveling Kit With Fox FRS 3.0 IBP Shocks 3-Inch 19-25 Silverado/Sierra 1500 & 1-Inch Including AT4, AT4X, Trail Boss, & ZR2 2WD/4WD. Warning! This product requires bypassing the ARC Adaptive Ride Control system (1500 Denali models).. Cognito 19-25 Chevy/GMC Silv/Sierra 1500 Ultimate Leveling Kit With Fox FRS 3.0 IBP Shocks 3-Inch. Rear lift adjustable from 1-2” standard models, neg 1” -0” AT4/Trail Boss models. Warning! - Not compatible with trucks equipped with composite mono-leaf rear spring. Fox Factory Race Series 3.0 Internal Bypass Shocks with Recirculating Reservoirs. Deaver mini packs, replace harsh stock overload and block (if equipped). Cognito 3" Ultimate Billet UCA Leveling Lift Kit With Fox 3.0 Shocks. Fits 35x11.5” tire on 9” wide wheel with 5.75 in back spacing. Maintains proper droop travel to return optimal ride quality. Front lift 3” standard models, 1” AT4 and Trail Boss. Cognito Billet Aluminum Upper Control Arms. 7-hour DIY install time. Made in the USA. 510-P1393

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