09-13 F-150 2WD,REAR,B6,4600 Currie Ford Rear Ends 2005-2014 Parts The upper spring seat is

The upper spring seat is built on a threaded adjuster sleeve

improved pedal sensitivity

Dust shields/backing plates

MASTER CYLINDER MOUNTING BRACKET FOR WILWOOD MASTER CYLINDERS

BRAND NEW PAIR OF SOUTHWEST SPEED CERAMIC HOT COATED CLASSIC T BUCKET HEADERS FOR SMALL BLOCK CHEVY 262-400CI ENGINES

09-13 F-150 2WD,REAR,B6,4600 Currie Ford Rear Ends 2005-2014 Parts The upper spring seat isBrand New Bilstein 46mm Monotube Rear Shock Absorber (Bilstein Part #33 187396). Bilstein B6 4600 shock absorbers are designed as a direct fit upgrade to OE shock absorbers on stock height light trucks and SUVs. These shock absorbers feature a monotube design which provides consistent fade free performance. B6 4600 shock absorbers utilize a unique, velocity sensitive, digressive piston which reacts to changing road conditions. All B6 4600 shock