Setting: 5100 SeriesPosition: RearDescriptor: Rear Lifted Height:0-2"*Quantity Needed Per Vehicle: 2*Collapsed Length (IN): 16.95*Extended Length (IN): 27.36*Collapsed Length (MM): 430.5*Extended Length (MM): 695Finish: Zinc platedReservoir: NoBody Design: 46mm ID smooth body (Non-coilover)99-10 GM 2500/3500HD 4WD - Rear Lifted "0-1"*Lift Height is suggested by mfg. Due to the many different aftermarket suspension systems it is recommended that a measurement is taken for proper application. An eye to eye shock is measured from the center of one eyelet to the center of the other eyelet