6 Inch Lift Kit | Rear Springs | Chevy/GMC K30/K35 Truck 4WD (77-87) black Efficient positive boost-to-drive pressure ratio

Efficient positive boost-to-drive pressure ratio yields high power with low EGTs

or any other accessory that uses a stock style throttle valve bolt pattern

Complementing the upgraded valve body

6L Duramax: fuel injector

and faster than using standard recovery methods

6 Inch Lift Kit | Rear Springs | Chevy/GMC K30/K35 Truck 4WD (77-87) black Efficient positive boost-to-drive pressure ratioTransform Your Truck's Stance and Capability: Upgrade your GM truck from front to back with Rough Country's 6" Suspension Lift Kit. This premium lift delivers a leveled, aggressive look while enhancing ride height and off road readiness all with an easy bolt on installation. Engineered for Superior Ride Quality: This kit includes application specific front lifted leaf springs, delivering increased ground clearance without sacrificing ride comfort or