NEW SOUTHWEST SPEED RACING LEAF SPRING SLIDER BOX ASSEMBLIES FOR CAMARO 2 1/2" WIDE SPRINGS, REPLACES SHACKLES, INCLUDES NITRILE BUSHING & ROLLER BEARINGS, LEFT & RIGHT SIDE Pair Of Brand New Southwest Speed Leaf Spring Slider Assembly, Camaro, Bearing (SWS Part # 550-306-2 x 2) Camaro Leaf Spring Slider Box Assembly Replaces Shackles | * Easy Mounting Fits 2 1/2" Wide Springs Features Nitrile Bushing And Roller Bearings