ApplicationCompatible for Nissan S13 Silva Japan Market 89-93for NissanS13 180SX Japan Market 89-98for NissanS13 Sileighty Japan Market 98for NissanS13 200SX Europe/New Zealand Market 89-94for NissanS13 240SX North America 89-90Specificationdaily driver, occasional autocross day or occasional track days.Product included: coilovers 2 frontTop mounts: standard rubber top mount front and rear.Damper: 24 levels rebound damper adjustableSpring rate: front: 8kg/mm(448lbs/in) ;Rear: NA.Adjustable height: Yes lowering 1\'\' to 3\'\'.Shock type: Twin tube.Spring Preload: 7-10 mm.Color:golden.Warranty: one year.Feature- Able to lower ride height by 1\'\'-3\'\'; allows user to have a more aggressive stance.- Coilovers are 24-way adjustable. Rebound and Dampening adjustment which allows the user the ability to dial in your coilovers to any driving needs. The user can enjoy a comfortable riding experience in all road conditions.- Pillow ball top mount -- this design helps combat noise while tuning. It also improves the steering feel and response- Twin-Tube Shock design is used for low internal frictional resistance in order to increase efficiency and keep shock temps low.- Height adjustment does not sacrifice damper stroke length.- These coilovers are able to have their height adjusted without being taken out of the car.- High Tensile strength performance spring---Tested under a 600,000 time continuous compression test, the spring distortion was less than 0.04%. Plus, the special surface treatment improves the durability and performance.- Adjustment tools included in the kit.NoticePlease check your car information before purchase. If you are not sure, please contact us for help！No drilling, cutting, or modification necessary.SPECIAL NOTES: Prior to installation, verify all hardware and properly tighten.