{"product_id":"hks-hipermax-r-coilovers-for-2003-2007-nissan-350z-z33","title":"HKS Hipermax R Coilovers for 2003-2008 Nissan 350Z (Z33)","description":"\u003cp\u003eHKS Hipermax R coilovers for the 2003-2008 Nissan 350Z (Z33) deliver race-bred handling with street-ready comfort for the Nissan 350Z. Developed over nine years since the MAX IV SP, the Hipermax R pairs an inverted monotube damper with HKS's exclusive Super Response Fluid (SRF) and Low Vibration Spring (LVS) to sharpen steering response, flatten cornering attitude, and hold damping consistent even after repeated heat cycles.\u003c\/p\u003e\n\u003cp\u003e30-level damping adjustment, length-adjustable shock bodies, and pillowball upper mounts let you dial in the Nissan 350Z for track sessions or daily commuting without swapping components. Every Hipermax R kit is built in Japan, backed by a 2-year \/ 40,000 km warranty, and fully rebuildable — the flagship HKS coilover for drivers who refuse to compromise between circuit pace and street civility.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eInverted monotube damper for strut-type applications — constant damper performance under load\u003c\/li\u003e\n\u003cli\u003e30-level 1-way damping adjustment dialed in via the WR Needle valve system\u003c\/li\u003e\n\u003cli\u003eSuper Response Fluid (SRF) — exclusive high-temperature-stable damper oil\u003c\/li\u003e\n\u003cli\u003eLow Vibration Spring (LVS) — lightweight 210k-grade high-strength spring wire\u003c\/li\u003e\n\u003cli\u003eDual Preload Valve System (Dual PVS) — individually tuned per vehicle\u003c\/li\u003e\n\u003cli\u003eHIPERMAX-exclusive upper spring retainer for coaxial spring\/damper alignment\u003c\/li\u003e\n\u003cli\u003ePillowball upper mounts (where applicable) — zero deflection, maximum feedback\u003c\/li\u003e\n\u003cli\u003eLength-adjustable shock body — lower ride height without pre-loading the spring\u003c\/li\u003e\n\u003cli\u003ePNE corrosion coating on threaded surfaces\u003c\/li\u003e\n\u003cli\u003eAdvanced bump rubber — progressive load response, tuned for race pace\u003c\/li\u003e\n\u003cli\u003eDust boots included\u003c\/li\u003e\n\u003cli\u003e2-year \/ 40,000 km warranty\u003c\/li\u003e\n\u003cli\u003eRebuildable \/ serviceable construction\u003c\/li\u003e\n\u003cli\u003eMade in Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable class=\"table table-striped table-primary\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e80310-AN005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Name\u003c\/td\u003e\n\u003ctd\u003eHKS Hipermax R Coilovers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle\u003c\/td\u003e\n\u003ctd\u003e2003-2008 Nissan 350Z\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Code\u003c\/td\u003e\n\u003ctd\u003eZ33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDamping Adjustment\u003c\/td\u003e\n\u003ctd\u003e30-Level 1-Way\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight Adjustable\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Rate - Front\u003c\/td\u003e\n\u003ctd\u003e14.0 Kg\/mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Rate - Rear\u003c\/td\u003e\n\u003ctd\u003e16.0 Kg\/mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Length - Front\u003c\/td\u003e\n\u003ctd\u003e200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Length - Rear\u003c\/td\u003e\n\u003ctd\u003e170mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper Mount - Front\u003c\/td\u003e\n\u003ctd\u003eSpherical bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper Mount - Rear\u003c\/td\u003e\n\u003ctd\u003eSpherical bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRide Height Range - Front\u003c\/td\u003e\n\u003ctd\u003e-13mm (-1mm to -36mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRide Height Range - Rear\u003c\/td\u003e\n\u003ctd\u003e-16mm (0mm -to -49mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2-year \/ 40,000 km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch5\u003eImportant Fitment Notes\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eMake-to-order item\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eVehicle Fitment\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e2003 Nissan 350Z (Z33)\u003c\/li\u003e\n\u003cli\u003e2004 Nissan 350Z (Z33)\u003c\/li\u003e\n\u003cli\u003e2005 Nissan 350Z (Z33)\u003c\/li\u003e\n\u003cli\u003e2006 Nissan 350Z (Z33)\u003c\/li\u003e\n\u003cli\u003e2007 Nissan 350Z (Z33)\u003c\/li\u003e\n\u003cli\u003e2008 Nissan 350Z (Z33)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":40604990668860,"sku":"80310-AN005","price":2880.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0000\/2183\/products\/hks-hipermax-r-coilovers-for-2003-2008-nissan-350z-z33-80310-an005-1194331825.jpg?v=1761821044","url":"https:\/\/www.springrates.com\/products\/hks-hipermax-r-coilovers-for-2003-2007-nissan-350z-z33","provider":"SPRINGRATES","version":"1.0","type":"link"}