Increased ground clearance Easy bolt-on installation Includes application valved N3 series shock absorbers which offer the best in balanced performance for on and off-road use.4 - 6 hourshttps://s3.amazonaws.com/roughcountry/install/9212250N20: Shock Installation;92925900: Coil Spring Installation;92610300: Add-A-Leaf Installation.pdf1983-2005:2WD:Chevy:S10 Blazer;1982-2003:2WD:Chevy:S10 Pickup;1983-2001:2WD:GMC:S15 Jimmy;1982-1990:2WD:GMC:S15 Pickup;1991-2003:2WD:GMC:Sonoma