Cusco Japan - Street Zero A Coilover Kit - Nissan Fairlady Z Z33Specifications: Manufacturer: Cusco Japan Part Number: 251 61N CN Type: Cusco Street Zero A Ref 251 61N CN Front Specs: 40 steps Full length Adjustable Recommended Height F R: 30 to 0 ? 25 to 0 Maximum adjustment F R: 35 to 0 ? 25 to 0 Spring Rates (Kg): 10 or (9 11 12) Rear Specs: 40 steps Threaded spacer Spring Rates (Kg): 7 Options: Front and rear come with Pillow ball upper mounts : +JPY30,000 The Street ZERO A features a full height adjustable