Black MAX Shock Absorber w/Black Boot 18.50 Inch Extended 12.25 Inch Collapsed 99-07 Silverado/Sierra 1500 Skyjacker Exterior Parts & Car Care - Truck Bed - Truck Bed Caps the Aero 401B series is

the Aero 401B series is built to last

The area above the rear driveshaft may have to be modified to create clearance on 2011 - up models

• Pro Mag 44Amp Electronic Points Box

Drive 2WD/4WD

Outlet Size: 10mm x 1

Black MAX Shock Absorber w/Black Boot 18.50 Inch Extended 12.25 Inch Collapsed 99-07 Silverado/Sierra 1500 Skyjacker Exterior Parts & Car Care - Truck Bed - Truck Bed Caps the Aero 401B series isBlack Max twin tube shock absorbers have increased fluid capacity and utilize foam cell technology. When the shock is working hard and gets hot, the foam cell insert compresses to compensate for oil expansion which maintains consistent Max performance throughout the operating temperature range of the shock. The foam cell design also eliminates air inside the shock which allows for mounting in any direction. Arc welded end mounts and select specific