Rubber Front and Rear Upper Mounts Spring Rate: Front 8k, Rear 6k.
BR Series - 90 to 96 300ZX
6061-T6 Aluminum Top Plates
SAE9254 Powder Coated Springs
6061-T6 Aluminum Lock Rings
53mm Aluminum Threaded Shock Bodies
Precision machine welded STKM13C Steel Lower Mounts or 6061-T6 milled Aluminum Lower Mounts where applicable
100% bolt on in place of OEM brackets