Fits Chevy/GMC 3/4-Ton Suburban/C25/K25 Truck(77-87) 4" Lift 56" RR Spring 25530 back-up-light-switch INTEGRATED WATER/METHANOL INJECTION CONTROL

INTEGRATED WATER/METHANOL INJECTION CONTROL

55/8 V 1998 Lincoln Navigator /

6L V8 1972 Oldsmobile F85 Base 455/7

optimized street calibrations

Fits Chevy/GMC 3/4-Ton Suburban/C25/K25 Truck(77-87) 4" Lift 56" RR Spring 25530 back-up-light-switch INTEGRATED WATER/METHANOL INJECTION CONTROL4 Inch Lift Kit 56 Inch RR Springs Chevy GMC C20 K20 C25 K25 Truck (77 87) Give your truck an impressive upgrade, front to back with Rough Country's 4" GM Suspension Lift System! This easy to install lift kit raises the front of your vehicle to be equal height with the rear for a leveled, better than stock look that gives an improved ride height and more aggressive appearance. This kit features a set of front lifted leaf springs allowing you gain