Twin Technology uses the latest Impact Control Valve to deliver exceptional control and a patented Low Speed Tunability piston to isolate impact related noise, vibration and harshness;Designed with a fluon banded piston to provide consistent sealing between the piston and pressure tube to deliver better control and increased durability;Monroe OESpectrum shocks utilize a 1 3/16 larger bore to provide more reliable and efficient control;For improved ride and handling, OESpectrum shocks are nitrogen gas charged

• Monroe 37309 OESpectrum Sensa-Trac Rear Shock Absorber

Monroe 37309 OESpectrum Sensa-Trac Rear Shock AbsorberMonroe