{"product_id":"whiteline-grip-series-lowering-springs-gs1-nis001-2003-2009-nissan-350z-z33-gs1-nis001","title":"Whiteline Front \u0026 Rear Grip Series Suspension Kit Nissan 350Z 2003-2009 | GS1-NIS001","description":"\u003ch2\u003eProduct Fitment:\u003c\/h2\u003e\n\u003cp\u003e2003-2009 Nissan 350z\u003c\/p\u003e\n\u003cp\u003eWhiteline's Grip Series lowering springs for the 2003-2009 Nissan 350Z (Z33) deliver performance-focused suspension tuning with a carefully engineered drop that maintains excellent ride quality. This complete front and rear spring kit is designed for enthusiasts who demand improved handling dynamics without sacrificing daily drivability. CARB compliant for street legal operation nationwide.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgressive Spring Rate Design\u003c\/strong\u003e - Provides comfortable ride quality at normal driving loads while firming up under performance conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Lowered Height\u003c\/strong\u003e - Optimal drop reduces center of gravity for improved cornering and reduced body roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Grade Steel Construction\u003c\/strong\u003e - Cold-wound from premium spring steel with advanced shot-peening for durability and consistent performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCARB Compliance\u003c\/strong\u003e - Street legal in all 50 states with emissions system certification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM Replacement\u003c\/strong\u003e - Designed to work with factory struts and suspension components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack-Tested Performance\u003c\/strong\u003e - Developed and validated through extensive track testing for optimal performance characteristics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFront lowering springs (pair)\u003c\/li\u003e\n\u003cli\u003eRear lowering springs (pair)\u003c\/li\u003e\n\u003cli\u003eInstallation hardware\u003c\/li\u003e\n\u003cli\u003eWhiteline installation guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eGS1-NIS001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpring Material\u003c\/th\u003e\n\u003ctd\u003eCold-wound high-grade steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003ePowder coated for corrosion resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEstimated Drop\u003c\/th\u003e\n\u003ctd\u003eFront and rear (specific measurements vary by model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpring Rate\u003c\/th\u003e\n\u003ctd\u003eProgressive design optimized for Z33 chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCARB Status\u003c\/th\u003e\n\u003ctd\u003eCompliant - street legal nationwide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis Grip Series spring kit is specifically engineered for 2003-2009 Nissan 350Z (Z33 chassis) models. Compatible with both Base and Track package vehicles. Works with factory struts and dampers, though upgraded dampers are recommended for optimal performance. Not compatible with convertible models due to chassis differences.\u003c\/p\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eProfessional installation recommended. Installation requires spring compressor tools and proper suspension service equipment. Alignment required after installation. Installation time approximately 3-4 hours. Consider upgrading to performance dampers simultaneously for best results.\u003c\/p\u003e","brand":"Whiteline","offers":[{"title":"Default Title","offer_id":42764849807456,"sku":"whlGS1-NIS001","price":1231.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1398\/9853\/files\/Whiteline-Front-Rear-Grip-Series-Suspension-Kit-Nissan-350Z-2003-2009-GS1-NIS001.jpg?v=1779884184","url":"https:\/\/www.importimageracing.com\/products\/whiteline-grip-series-lowering-springs-gs1-nis001-2003-2009-nissan-350z-z33-gs1-nis001","provider":"Import Image Racing","version":"1.0","type":"link"}