{"product_id":"advanced-pro-plus-racing-circuit-spec-coilovers-honda-civic-civic-si-2006-2011-fd1-fg-fa","title":"Advanced Pro Plus Racing Circuit Spec Coilovers - Honda Civic \/ Civic Si 2006-2011 (FD1\/FG\/FA)","description":"\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e \u003cstrong\u003eFRONT\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eREAR\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eSPRING RATES\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e14k\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e20k\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eUPPER MOUNT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan\u003ePillowball w\/ Camber Plates\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan\u003eN\/A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eSTRUT DESIGN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eInverted\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan\u003eStandard\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Notes: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits Coupe \u0026amp; Sedan models\u003c\/li\u003e\n\u003cli\u003ePlease select vehicle model when ordering\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan color=\"#004000\" style=\"color: #000000;\"\u003eRear Shock \u0026amp; Spring Combined (True Coilover)\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePlease select desired coilover model, 2-way or 3-way when ordering\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eYSR USA Advanced Pro Plus Circuit Coilover System\u003c\/h2\u003e\n\u003cp\u003eEngineered for peak performance on the track, the YSR USA Advanced Pro Plus Circuit Coilover System is our top-tier, motorsport-grade suspension setup, developed specifically for competitive circuit racing. Designed with input from professional drivers and race engineers, this system is available in both 2-way and 3-way adjustable configurations, delivering superior adjustability, consistency, and precision handling under extreme driving conditions.\u003c\/p\u003e\n\u003cp\u003eWhether you choose the 2-way adjustable version (rebound + compression) or the 3-way adjustable version (independent high-speed compression, low-speed compression, and rebound), this system gives drivers total control over suspension dynamics—allowing precise tuning for various circuit layouts, track surfaces, and driving styles.\u003c\/p\u003e\n\u003cp\u003eEach kit is built to order with vehicle-specific valving and spring rates tailored to high-grip tarmac use. Whether you're dialing in balance at a technical course or chasing lap times on a high-speed track, the Advanced Pro Plus Circuit kit gives you the control and feedback needed to push limits confidently.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features: \u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-size: 0.875rem;\"\u003e2-Way or 3-Way Adjustable Damping\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eChoose from:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-size: 0.875rem;\"\u003e2-WAY EXTERNAL RESERVOIR\u003cbr\u003e\u003c\/strong\u003e2-way adjustable dampers with independent rebound and compression control, ideal for serious track users seeking simplicity with performance.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-size: 0.875rem;\"\u003e3-WAY EXTERNAL RESERVOIR\u003cbr\u003e\u003c\/strong\u003e3-way adjustable dampers featuring independent 17 clicks of high-speed compression, 20 clicks of low-speed compression and 33 clicks of rebound damping adjustment for maximum fine-tuning. \u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonotube Damper Design\u003cbr\u003e\u003c\/strong\u003eDelivers consistent performance and superior heat dissipation—critical during extended sessions and endurance racing.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Remote Reservoirs\u003cbr\u003e\u003c\/strong\u003eExternal reservoirs allow increased oil capacity and thermal stability, ensuring damper performance stays consistent lap after lap\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Spring Rates \u0026amp; Valving\u003cbr\u003e\u003c\/strong\u003eEvery kit is tailored to your vehicle and race needs, offering ideal balance, grip, and compliance on tarmac surfaces\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Construction\u003c\/strong\u003e\u003cbr\u003eCNC-machined components and aluminum shock bodies reduce unsprung weight without compromising strength.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamber Adjustable Top Mounts (on applicable models)\u003c\/strong\u003e\u003cbr\u003eHelps dial in aggressive track alignment setups for maximum front-end grip and tire contact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant Considerations When Choosing Circuit Spec Suspension\u003c\/h2\u003e\n\u003ch3\u003ePros:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChoice of 2-way or 3-way adjustment to suit driver needs and tuning complexity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConsistent, fade-resistant performance during long track sessions\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\n\u003cstrong\u003eBuilt-to-order specs ensure optimal performance for specific vehicle setup and weight\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eImproved lap times through superior grip and chassis control\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eEnhanced steering feedback and cornering stability at high speeds\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eIdeal for time attack, road racing, and professional-level motorsport applications\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCons:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNot recommended for street use due to stiffer valving and higher NVH (Noise, Vibration, Harshness)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRequires experienced setup and tuning for best results\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigher cost compared to 1-way systems due to advanced features\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eMay need frequent adjustments to adapt to different tracks or conditions\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eReduced ride comfort outside of track environments\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Advanced Pro Plus Circuit Coilover System is a purpose-built tool for those who demand uncompromising performance and adjustability on the track. Whether you prefer the efficient control of a 2-way setup or the deep tuning capabilities of a 3-way system, this kit is designed to deliver professional-level handling and feedback for your podium pursuit.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHigh quality components are adopted to ensure product durability and stability. Each application is test fit and completely road tested to guarantee perfect performance and comfort.\u003cbr\u003e\u003cbr\u003ePlease note that ALL of our coilovers are hand built and made to order. Please allow \u003cstrong\u003e3-4 weeks\u003c\/strong\u003e for delivery.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e**Photographs shown are stock photos; Actual items may vary in appearance or features. Please contact us for specific features of each kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan lang=\"EN-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1750\/2425\/files\/Cancer_Harm_Gov_480x480.png?v=1624683138\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Yellow Speed Racing, USA","offers":[{"title":"Civic (FD1) \/ 2-Way","offer_id":45878110453900,"sku":"YS01-HD-ASCR005","price":2795.0,"currency_code":"USD","in_stock":true},{"title":"Civic (FD1) \/ 3-Way","offer_id":45878110486668,"sku":"YS01-HD-3WASCR005","price":3295.0,"currency_code":"USD","in_stock":true},{"title":"Civic Si (FG\/FA) \/ 2-Way","offer_id":45878110519436,"sku":"YS01-HD-ASCR006","price":2795.0,"currency_code":"USD","in_stock":true},{"title":"Civic Si (FG\/FA) \/ 3-Way","offer_id":45878110552204,"sku":"YS01-HD-3WASCR006","price":3295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/8208\/3980\/files\/AdvancedProPlusGeneric_b17a5efc-468d-4d8d-a2d8-53c194a9182c.jpg?v=1768866176","url":"https:\/\/fiperformance.com\/products\/advanced-pro-plus-racing-circuit-spec-coilovers-honda-civic-civic-si-2006-2011-fd1-fg-fa","provider":"FI Performance","version":"1.0","type":"link"}