6061-T6 Aluminum Top PlatesSAE9254 Powder Coated Springs6061-T6 Aluminum Lock Rings53mm Aluminum Threaded Shock BodiesPrecision machine welded STKM13C Steel Lower Mounts or 6061-T6 milled Aluminum Lower Mounts where applicable100% bolt on in place of OEM bracketsFront Camber Plates come standard for this chassis. The camber plate itself utilizes a Pillowball Top Configuration for maximum performance and rigidity. The OEM Rear Top Configuration assembly is reused.Spring rate: 8kg front,  6kg front.