Used adjustable coilover set Fits 03-08 Infiniti G35 Features & details 【Fit Perfectly】 For Infiniti G35 Coupe (Note: Will fit RWD model; Rear true coilover) 【Spring Rate】 Front Spring rate: 12 kg/mm (672 lbs/in) & Rear Spring rate: 10 kg/mm (560 lbs/in). Spring length Front: 160mm & Spring length Rear: 200mm; Coilover overall length Front: 340mm-410mm & Coilover overall length Rear: 500mm-590mm 【Lowering Kits】 The height is adjustable for 1-3 inches, allowing you to have a more aggressive stance, allowing you to have a more aggressive stance.This design helps eliminate turning noise and also improves steering feel and response.(NOTE): These coilovers struts will ""Lower your car"" and DOES NOT keep to original ride height. 【Twin-tube Structure】 Compared to mono-tube construction, the twin-tube has longer stroke and higher height adjustability, and they will give you a more comfortable riding experience by reducing the pressure on the joints and also minimizing friction and ensuring sufficient travel with less effort. 【Excellent Material】The product comes with 6061 aluminum alloy with T6 for increased hardness, high quality precision parts, high strength and durability. It is fully loaded and safe for installation.