{"product_id":"whiteline-09-19-370z-performance-lowering-spring-kit-black","title":"Whiteline [09-19 370Z] Performance Lowering Spring Kit - Black","description":"Whiteline Springs deliver improved vehicle performance whilst maintaining safety and ride quality characteristics. This kit contains 6.4kg\/mm (358lb\/in) front rated springs that provide a 25mm drop while the 7.0kg\/mm (392lb\/in) rated rears deliver a desirable 35mm to the vehicle. By lowering the vehicles center of gravity, the unique and progressive rate coil design not only improve performance but enhance overall appearance. Developed and manufactured in Europe from the highest quality materials, coating and to the finest tolerances guaranteeing exact fitment. Whiteline Springs are engineered for optimal balance with OEM and aftermarket shocks. For total grip activation match with Whiteline Sway Bar and Essentials kit for unrivalled handling and optimal vehicle performance.\nWhiteline Lowering Spring Kit - 370Z Z34.\n\u003cul\u003e\n  \u003cli\u003eCold rolled in Europe from the highest quality material.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eImprove the handling and appearance of your vehicle with the Whiteline Performance Lowering Spring Kit, part number WSK-NIS002. Designed for the Nissan 370Z Z34 and compatible applications, this spring set lowers the center of gravity while maintaining a balanced combination of performance, safety, and ride quality.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProgressive-rate spring design supports improved handling and vehicle balance.\u003c\/li\u003e\n  \u003cli\u003eEngineered for compatibility with OEM and aftermarket shocks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Whiteline WSK-NIS002 kit includes front springs rated at 6.4 kg\/mm, or 358 lb\/in, providing an approximately 1-inch drop. The rear springs are rated at 7.0 kg\/mm, or 392 lb\/in, and provide an approximately 1.4-inch drop. This front-to-rear lowering balance helps reduce body roll and supports more responsive cornering while preserving practical ride characteristics for street-driven vehicles.\u003c\/p\u003e\n\u003cp\u003eEach spring is cold-rolled in Europe from high-quality material and manufactured to precise tolerances for consistent fitment. The progressive coil design is developed to improve grip activation and overall chassis response without requiring a complete suspension conversion. Whiteline engineers these springs to work with both factory and aftermarket dampers, making them a practical upgrade for drivers seeking sharper handling and a more purposeful stance. For additional grip and chassis control, Whiteline recommends pairing the spring kit with compatible Whiteline sway bars and Essentials components. Professional installation and an alignment are recommended after installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFront spring rate: 358 lb\/in with an approximately 1-inch lowering effect\u003c\/li\u003e\n\u003cli\u003eRear spring rate: 392 lb\/in with an approximately 1.4-inch lowering effect\u003c\/li\u003e\n\u003cli\u003eProgressive-rate coil design improves handling while supporting ride quality\u003c\/li\u003e\n\u003cli\u003eCold-rolled in Europe from high-quality spring material\u003c\/li\u003e\n\u003cli\u003eManufactured to precise tolerances for consistent fitment\u003c\/li\u003e\n\u003cli\u003eDesigned for use with OEM and aftermarket shocks\u003c\/li\u003e\n\u003cli\u003eCompatible with Whiteline sway bar and Essentials upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nAir Freight Prohibited: false\u003cbr\u003e\nNot Carb Approved: false\u003cbr\u003e\nLtl Freight Required: false\u003cbr\u003e\nProp 65: Y\u003cbr\u003e\nPart Type: automotive\u003cbr\u003e\nEpa: N\/A\u003cbr\u003e\nCarb Acknowledgement Required: false\u003cbr\u003e\nRegular Stock: t\u003cbr\u003e\nUnits Per Sku: 1\u003cbr\u003e\nFitment:\u003cbr\u003e\nInfiniti G37 Base 2008\u003cbr\u003e\nInfiniti G37 Base 2009\u003cbr\u003e\nInfiniti G37 Base 2010\u003cbr\u003e\nInfiniti G37 Base 2011\u003cbr\u003e\nInfiniti G37 Base 2012\u003cbr\u003e\nInfiniti G37 Base 2013\u003cbr\u003e\nInfiniti G37 IPL 2011\u003cbr\u003e\nInfiniti G37 IPL 2012\u003cbr\u003e\nInfiniti G37 IPL 2013\u003cbr\u003e\nInfiniti G37 Journey 2008\u003cbr\u003e\nInfiniti G37 Journey 2009\u003cbr\u003e\nInfiniti G37 Journey 2010\u003cbr\u003e\nInfiniti G37 Journey 2011\u003cbr\u003e\nInfiniti G37 Journey 2012\u003cbr\u003e\nInfiniti G37 Journey 2013\u003cbr\u003e\nInfiniti G37 Sport 2008\u003cbr\u003e\nInfiniti G37 Sport 2009\u003cbr\u003e\nInfiniti G37 Sport 2010\u003cbr\u003e\nInfiniti G37 Sport 2011\u003cbr\u003e\nInfiniti G37 Sport 2012\u003cbr\u003e\nInfiniti G37 Sport 2013\u003cbr\u003e\nNissan 370Z 40th Anniversary Edition 2010\u003cbr\u003e\nNissan 370Z Base 2009\u003cbr\u003e\nNissan 370Z Base 2010\u003cbr\u003e\nNissan 370Z Base 2011\u003cbr\u003e\nNissan 370Z Base 2012\u003cbr\u003e\nNissan 370Z Base 2013\u003cbr\u003e\nNissan 370Z Base 2014\u003cbr\u003e\nNissan 370Z Base 2015\u003cbr\u003e\nNissan 370Z Base 2016\u003cbr\u003e\nNissan 370Z Base 2017\u003cbr\u003e\nNissan 370Z Base 2018\u003cbr\u003e\nNissan 370Z Base 2019\u003cbr\u003e\nNissan 370Z Base 2020\u003cbr\u003e\nNissan 370Z Heritage Edition 2018\u003cbr\u003e\nNissan 370Z Heritage Edition 2019\u003cbr\u003e\nNissan 370Z Nismo 2009\u003cbr\u003e\nNissan 370Z Nismo 2010\u003cbr\u003e\nNissan 370Z Nismo 2011\u003cbr\u003e\nNissan 370Z Nismo 2012\u003cbr\u003e\nNissan 370Z Nismo 2013\u003cbr\u003e\nNissan 370Z Nismo 2014\u003cbr\u003e\nNissan 370Z Nismo 2015\u003cbr\u003e\nNissan 370Z Nismo 2016\u003cbr\u003e\nNissan 370Z Nismo 2017\u003cbr\u003e\nNissan 370Z Nismo 2019\u003cbr\u003e\nNissan 370Z Nismo 2020\u003cbr\u003e\nNissan 370Z Nismo Tech 2015\u003cbr\u003e\nNissan 370Z Nismo Tech 2016\u003cbr\u003e\nNissan 370Z Nismo Tech 2017\u003cbr\u003e\nNissan 370Z Nismo Tech 2018\u003cbr\u003e\nNissan 370Z Sport 2015\u003cbr\u003e\nNissan 370Z Sport 2016\u003cbr\u003e\nNissan 370Z Sport 2017\u003cbr\u003e\nNissan 370Z Sport 2018\u003cbr\u003e\nNissan 370Z Sport 2019\u003cbr\u003e\nNissan 370Z Sport 2020\u003cbr\u003e\nNissan 370Z Sport Tech 2015\u003cbr\u003e\nNissan 370Z Sport Tech 2016\u003cbr\u003e\nNissan 370Z Sport Tech 2017\u003cbr\u003e\nNissan 370Z Sport Tech 2018\u003cbr\u003e\nNissan 370Z Sport Touring 2019\u003cbr\u003e\nNissan 370Z Sport Touring 2020\u003cbr\u003e\nNissan 370Z Touring 2009\u003cbr\u003e\nNissan 370Z Touring 2010\u003cbr\u003e\nNissan 370Z Touring 2011\u003cbr\u003e\nNissan 370Z Touring 2012\u003cbr\u003e\nNissan 370Z Touring 2013\u003cbr\u003e\nNissan 370Z Touring 2014\u003cbr\u003e\nNissan 370Z Touring 2015\u003cbr\u003e\nNissan 370Z Touring 2016\u003cbr\u003e\nNissan 370Z Touring 2017\u003cbr\u003e\nNissan 370Z Touring 2018\u003cbr\u003e\nNissan 370Z Touring 2019\u003cbr\u003e\nNissan 370Z Touring Sport 2015\u003cbr\u003e\nNissan 370Z Touring Sport 2016\u003cbr\u003e\nNissan 370Z Touring Sport 2017\u003cbr\u003e\nNissan 370Z Touring Sport 2018","brand":"Whiteline","offers":[{"title":"Default Title","offer_id":47258646773862,"sku":"whlWSK-NIS002","price":418.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0075\/8703\/7237\/files\/349b231fd57b1441475cf9d83061ec30L.jpg?v=1790181858","url":"https:\/\/jdmuscleusa.com\/products\/whiteline-09-19-370z-performance-lowering-spring-kit-black","provider":"JDMuscle","version":"1.0","type":"link"}