4"/6" Drop Kit for 1988-1991 Chevy/GMC C1500 V8 — Spindle, C-Notch (Std Cab, No Track Width Change) obs turn signal clean mount for your air

clean mount for your air tank on OBS air ride and bagged dually suspension builds on 1988-1999 Chevy & GMC GMT400 trucks

Built to handle real-world daily driving and load-carrying duty

or as the front half of a larger drop combo when paired with our rear drop kits

The Otto is a Direct Bolt-On (DBO) OBS dually wheel built for 1988-2000 Chevy/GMC C/K3500 dual-rear-wheel (DRW) trucks — no spacers or adapters required

4"/6" Drop Kit for 1988-1991 Chevy/GMC C1500 V8 — Spindle, C-Notch (Std Cab, No Track Width Change) obs turn signal clean mount for your airTrekline Motorsports lowering kit engineered for 1988 1991 Chevrolet GMC C1500 2WD Std Cab trucks with a V8 engine. Delivers a 4" front drop via spindles + coil springs and a 6" rear drop via a flip kit. A rear C notch is included to clear the axle at full drop. No track width change. Wheel requirement: 17 inch+ wheels required. Includes: 2" Drop Spindles 2" Front V8 Lowering Coils 6" Rear Flip Kit C Notch w Mounting Hardware Vehicle Fitment: 1988