Bilstein 5100 Series 1999 GMC Sierra 2500 SLT Rear 46mm Monotube Shock Absorber 2012-mini-cooper-john-cooper-works-esi3410815 Notched necks for clamp in

Notched necks for clamp in installation using 1" wide band style clamps 18330 (clamps not included)

To install the tips

and 140688 that did not come with NPP valves

Increased exhaust velocity adds power

Bilstein 5100 Series 1999 GMC Sierra 2500 SLT Rear 46mm Monotube Shock Absorber 2012-mini-cooper-john-cooper-works-esi3410815 Notched necks for clamp inChevrolet Silverado 1500 2013 1999, Silverado 1500 Classic 2007, Silverado 1500 HD 2003 2001, Silverado 1500 HD 2006 2005, Silverado 2500 2004 1999, Silverado 2500 HD 2010 2001, Silverado 2500 HD Classic 2007, Silverado 3500 2006 2001, Silverado 3500 Classic 2007, Silverado 3500 HD 2010 2007, Dodge Ram 1500 2008 2006, Ram 2500 2010 2003, Ram 3500 2010 2003, GMC Sierra 1500 2013 1999, Sierra 1500 Classic 2007, Sierra 1500 HD 2003 2001, Sierra 1500 HD