Trekline 5"/7"-8" Drop Kit — 1988-1991 Chevy/GMC C1500 V6, Std Cab (Spindle + C-Notch, No Track Width Change) drivetrain If your factory control box

If your factory control box has gone bad

Available in full-tread coverage for single- or dually-factory tire width

Available in 17x9" through 20x12" sizes

and heavy rain

Wheel size requirement: fits inside most 18 inch wheels

Trekline 5"/7"-8" Drop Kit — 1988-1991 Chevy/GMC C1500 V6, Std Cab (Spindle + C-Notch, No Track Width Change) drivetrain If your factory control boxThis Trekline Motorsports drop kit lowers the front 5" with no track width drop spindles and matching lowering coils, and the rear 7" 8" with a flip kit and adjustable shackles. A rear C notch with mounting hardware is included so the axle clears at full drop. Because the spindles don't change track width, the factory stance is preserved just lower. Includes: 2" Drop Spindles 3" V6 Front Lowering Coils 6" Rear Flip Kit 1"2" Adjustable Lowering