1999-06 (2007 Classic) Silverado/Sierra 2Wd 4/6 Lowering Kit W/ Bolt On C-Notch 3yes and our end caps are

and our end caps are made of an ultra high-strength nylon composite which is Air Lift 59106BT

These control arms are designed to work with lowering coil springs CS2351-2 for a total 4 inch drop

1973-87 CHEV/GMC P/U AND 73-91 SUBURBAN AND BLAZER DROP IN FRONT FLOOR SECTION

with maximum under hood clearance

Recon Accessories 264299LEDBK

1999-06 (2007 Classic) Silverado/Sierra 2Wd 4/6 Lowering Kit W/ Bolt On C-Notch 3yes and our end caps are1999 06 (2007 Classic) Silverado Sierra 2Wd 4 6 Lowering Kit W Bolt On C Notch IHCs 1999 2006 (2007 Classic) 4 6 lowering kit consist of 5 lowering control arms (upper and lower) and a 1 inch rubber isolator to adjust the front end from 5 to 4. The rear consists of a flip kit, drop shocks, and bolt on under bed C notch. All IHC suspension parts are fiber laser cut, CNC bend, and robotically welded for precise quality. Fits all 2WD coil spring front