ApplicationCompatible for Nissan Skyline GTST R33SpecificationQuantity: 2 pieces front + 2 pieces rearSpring rate Front: 10 kg/mm (560 lbs/in)Spring rate Rear: 8 kg/mm (448 lbs/in)Adjustable Damper: Not adjustableAdjustable height: YesAdjustable camber plate: NOColor: GoldenWarranty: one year warranty for any manufacturing defectFeature- Adjustable ride height- Adjustable pre-load spring tension- Pillow ball top mount -- this design helps combat noise while tuning. It also improves the steering feel and response- Most components are made from 6061 aluminum with T6 for increased hardness -- the advantages include excellent strength, and aluminum helps keep the weight down.- Hi Tensile performance spring - Under 600,000 times continuously test, the spring distortion is less than 0.04%. Plus, the special surface treatment is to improve the durability and performance. - All inserts come with fitted rubber boots to protect the damper and keep clean.- Improve your handling performance without sacrifice comfortable ride.- A fast and affordable way to easily upgrade your car\'s appearance.- Easy installation with right tools.- Ideal for any track, drift and fast road and can also be used for daily driving.Note- No instruction included; Professional installation & alignment suggested.- Please check our store for other auto parts you may be interested in.- Please feel free to contact us for whatever we can help.