{"product_id":"eibach-ers-platinum-16-inch-rear-racing-spring-3-50-inch-outside-diameter-145-lb-in-p1600-350-0145","title":"Eibach ERS Platinum 16-Inch Rear Racing Spring, 3.50-Inch Outside Diameter, 145 lb\/in - P1600.350.0145","description":"Eibach PLATINUM series race springs are engineered using our proprietary ultra-high tensile strength steel, for the lowest physical weights and maximum spring travel.\nMore Travel \/ Deflection than Standard Racing Coil Springs\n\u003cul\u003e\n  \u003cli\u003eThe Eibach ER Platinum Springs will Maintain Their Dimensions and Rates to Incredibly Tight Tolerances, Lap after Lap, Race after Race\u003c\/li\u003e\n  \u003cli\u003eFlat-Ground End Configuration with Parallel Tolerance to +\/-1 Degree\u003c\/li\u003e\n  \u003cli\u003eUltra Light-Weight Using High Tensile Steel\u003c\/li\u003e\n  \u003cli\u003eBlock Resistant - No Loss in Spring Height!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Eibach ERS Platinum P1600.350.0145 rear racing spring is engineered for competitive motorsports applications where consistent performance, reduced weight, and maximum suspension travel are essential. Built from proprietary ultra-high tensile strength steel, this Eibach Platinum Series spring delivers more travel and deflection than standard racing coil springs while maintaining precise spring characteristics under demanding track conditions.\u003c\/p\u003e\u003cp\u003eDesigned to preserve its dimensions and spring rate lap after lap, the Eibach ERS Platinum spring helps provide predictable suspension response throughout a race. Its block-resistant construction is engineered to prevent loss of spring height, while the flat-ground end configuration supports proper seating and consistent alignment. The spring’s lightweight design reduces unsprung mass without sacrificing durability, making it a practical choice for race teams, performance builders, and drivers seeking repeatable suspension behavior.\u003c\/p\u003e\u003cp\u003eThe Eibach P1600.350.0145 features a 145 lb\/in spring rate, a 16-inch free length, and a 3.50-inch outside diameter. Parallel end tolerances are controlled to within plus or minus 1 degree for reliable fitment and load distribution. This automotive racing spring is intended for custom suspension setups, including applications where vehicle-specific fitment data is determined by the builder or race technician. Professional installation and suspension setup are recommended.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eOne Eibach ERS Platinum rear racing spring\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eVehicle-specific fitment data was not provided. Confirm free length, outside diameter, spring rate, suspension travel, and perch compatibility before installation. This spring is intended for race and custom performance applications.\u003c\/p\u003e\u003ch3\u003eProduct Specifications and Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: Eibach\u003c\/li\u003e\n\u003cli\u003eSeries: ERS Platinum\u003c\/li\u003e\n\u003cli\u003ePart Number: P1600.350.0145\u003c\/li\u003e\n\u003cli\u003eApplication: Rear racing suspension spring\u003c\/li\u003e\n\u003cli\u003eSpring Rate: 145 lb\/in\u003c\/li\u003e\n\u003cli\u003eFree Length: 16 inches\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 3.50 inches\u003c\/li\u003e\n\u003cli\u003eEnd Configuration: Flat-ground ends with parallel tolerance to plus or minus 1 degree\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUltra-High Tensile Steel: Proprietary high-strength steel construction reduces physical weight while supporting maximum spring travel.\u003c\/li\u003e\n\u003cli\u003eConsistent Spring Rate: Maintains dimensions and spring rates to tight tolerances for predictable performance from lap to lap.\u003c\/li\u003e\n\u003cli\u003eIncreased Suspension Travel: Provides more travel and deflection than standard racing coil springs for demanding track applications.\u003c\/li\u003e\n\u003cli\u003eBlock-Resistant Construction: Helps prevent loss of spring height during repeated compression and extended race use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Y\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":67580064366844,"sku":"P1600.350.0145","price":174.74,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/5cf74eadafa19b89eadae0506e57743dL_3a0f6535-b0b2-47fb-9b0e-293630c2bf87.jpg?v=1790394851","url":"https:\/\/diycustoms.store\/products\/eibach-ers-platinum-16-inch-rear-racing-spring-3-50-inch-outside-diameter-145-lb-in-p1600-350-0145","provider":"diycustoms.store","version":"1.0","type":"link"}