{"product_id":"eibach-ers-platinum-14-in-rear-racing-spring-3-50-in-outside-diameter-130-lb-in-rate","title":"Eibach ERS Platinum 14 in. Rear Racing Spring, 3.50 in. Outside Diameter, 130 lb\/in Rate","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 rear racing spring is engineered for demanding motorsports applications where consistent performance, reduced weight, and extended suspension travel are essential. Manufactured from proprietary ultra-high tensile strength steel, this spring provides more travel and deflection than standard racing coil springs while maintaining predictable handling characteristics throughout repeated race use.\u003c\/p\u003e\u003cp\u003eDesigned to preserve its original dimensions and spring rate, the Eibach ERS Platinum spring is built to maintain exceptionally tight tolerances lap after lap and race after race. Its flat-ground end configuration uses a parallel tolerance of plus or minus 1 degree to support consistent seating and reliable suspension operation. The block-resistant construction helps prevent spring height loss, supporting stable vehicle setup and repeatable performance.\u003c\/p\u003e\u003cp\u003eThis Eibach spring features a 14-inch free length, 3.50-inch outside diameter, and 130 lb\/in spring rate for applications requiring a controlled rear suspension response. The lightweight high-tensile steel construction helps reduce unsprung mass without sacrificing durability. It is supplied as one spring and is intended for automotive racing use. Professional installation and suspension setup are recommended to verify compatibility with the vehicle, spring perch, and overall chassis configuration. This product carries a California Proposition 65 warning.\u003c\/p\u003e\u003ch3\u003eKey Product Specifications \u0026amp; 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: P1400.350.0130\u003c\/li\u003e\n\u003cli\u003eApplication: Rear racing spring\u003c\/li\u003e\n\u003cli\u003eFree Length: 14 inches\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 3.50 inches\u003c\/li\u003e\n\u003cli\u003eSpring Rate: 130 lb\/in\u003c\/li\u003e\n\u003cli\u003eConstruction: Ultra-high tensile strength steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eOne Eibach ERS Platinum rear racing spring\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Vehicle-specific fitment data was not provided. Confirm spring length, outside diameter, spring rate, rear suspension position, and perch compatibility before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMore Travel and Deflection: Provides greater suspension travel than standard racing coil springs for improved control over demanding race surfaces.\u003c\/li\u003e\n\u003cli\u003eConsistent Dimensions and Spring Rate: Maintains tight dimensional and rate tolerances through repeated laps and race events.\u003c\/li\u003e\n\u003cli\u003eUltra-Lightweight Construction: Uses high-tensile steel to reduce spring weight while supporting motorsports durability.\u003c\/li\u003e\n\u003cli\u003eBlock-Resistant Design: Helps prevent loss of spring height for more consistent vehicle setup and ride-height control.\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":67580166373628,"sku":"P1400.350.0130","price":169.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/9da50924763760dadcdabacf016d595bL_2b38a0d2-08e4-4e7c-816c-00f9d541160f.jpg?v=1790397689","url":"https:\/\/diycustoms.store\/products\/eibach-ers-platinum-14-in-rear-racing-spring-3-50-in-outside-diameter-130-lb-in-rate","provider":"diycustoms.store","version":"1.0","type":"link"}