Crafted with a high-pressure nitrogen charged damperUtilizes a hard chrome precision ground piston rod and features a steel monotube construction with an Internal Floating Piston (IFP) to provide incredible ride performance, even at increased speeds Deflective disc valvingPreload adjustment via threaded preload adjuster with included preload spanner wrenchM8 Softail ''Slammer Shock'' lowers the rear of the Motorcycle. Side stand modification may be needed.